List of youngest killers

This is a list of youngest killers, i.e. the youngest people confirmed by reliable sources to have deliberately killed another human being. Individuals in this list are documented to be age 17 or younger.

Younger than age 13
{| class="wikitable sortable" width="100%" style="font-size: 100%" ! Name ! Date of birth ! Date of killing(s) ! Age at time of killing(s) ! Location ! Country ! Killed ! Injured ! Penalty of perpetrator(s) ! Current status of perpetrator(s) ! Ref. Venables: 10 years, 5 months and 30 days
 * Unnamed boy
 * HS 1892-12-30December 30, 1892
 * 3
 * Gol
 * 🇳🇴 Norway
 * 1
 * 0
 * Deceased
 * Ms. Ziapasa
 * HS 19021902–1903
 * HS 1906-04-12April 12, 1906
 * 3
 * Benwood, West Virginia
 * 1
 * 0
 * Not charged due to her age.
 * Deceased
 * Retta McCabe
 * HS 18921892–1893
 * HS 1897-10-30October 30, 1897
 * 4
 * Troy, New York
 * 1
 * 1
 * Not charged due to her age.
 * Deceased
 * Unnamed boy
 * HS 1924-10October 1924
 * 4-5
 * Ryfylke
 * 🇳🇴 Norway
 * 1
 * 0
 * Unknown
 * Unnamed girl
 * HS 1898-04April 1898
 * 5
 * Naples
 * 🇮🇹 Italy
 * 1
 * 0
 * Deceased
 * Carl Newton Mahan
 * HS 1922-09-22September 22, 1922
 * HS 1929-05-18May 18, 1929
 * HS 6-7-266 years, 7 months and 26 days
 * Paintsville, Johnson County, Kentucky
 * 1
 * 0
 * Arrested, sentenced to 15 years in reform school, but did not serve a sentence after the judge reviewed the case
 * Deceased
 * Unnamed boy
 * HS 19931993
 * HS 2000-02-29February 29, 2000
 * HS 66
 * Buell Elementary School, Mount Morris Township, Michigan
 * 1
 * 0
 * He could not be legally charged with murder because of his age.
 * Unknown
 * Lizzie Cook
 * 1892–1893
 * February 27, 1899
 * 6
 * Birmingham, Alabama
 * 1
 * 0
 * Deceased
 * Unnamed boy
 * HS 1910-06-02June 2, 1910
 * 6
 * Oslo
 * 🇳🇴 Norway
 * 1
 * 0
 * Unknown
 * Unnamed boy
 * January 2014
 * January, 2022
 * 7
 * Nixon, Texas
 * 1
 * 0
 * Could not be criminally charged due to his age
 * Sent to a psychiatric hospital.
 * Virginia Hudson
 * July 23, 1887
 * 7
 * Granville, South Carolina
 * 1
 * 0
 * Arrested and charged with murder
 * Deceased
 * Robert Robertson
 * 1908
 * 7
 * Launceston, Tasmania
 * 1
 * 0
 * Arrested and charged with murder
 * Deceased
 * Unnamed Boy
 * 1986-1987
 * HS 1995-7-8 July 8, 1995
 * 8
 * La Ronge, Saskatchewan
 * 1
 * 0
 * Not charged due to his age. 14 year old Sandy Charles was found not guilty by reason of insanity.
 * Unknown
 * Amarjeet Sada
 * 1998
 * 2006–2007
 * 8
 * Begusarai, Bihar
 * 3
 * 0
 * Arrested and taken into custody
 * Unknown
 * Carroll Cole
 * HS 1938-05-09May 9, 1938
 * 1946
 * 8
 * Richmond, California
 * 1
 * 0
 * The murder was not discovered until he later confessed; he murdered at least 15 more victims during adulthood. He was executed by lethal injection on December 6, 1985
 * Deceased
 * Unnamed girl
 * 1867
 * 8
 * Cassville, Missouri
 * 1
 * 0
 * Found insane
 * Deceased
 * Unnamed boy
 * c. 2006
 * February 7, 2014
 * 8
 * Padre Hurtado
 * 🇨🇱 Chile
 * 1
 * 0
 * Not charged due to his age.
 * Unknown
 * Patrick Knowles
 * May 1903
 * 8
 * Stockton-on-Tees, England
 * 1
 * 1
 * Arrested, sentenced to detention at His Majesty's pleasure; served 9 years in prison
 * Deceased
 * Christian Romero
 * HS 1999-12-29December 29, 1999
 * HS 2008-11-05November 5, 2008
 * HS 8-10-78 years, 10 months and 7 days
 * St. Johns, Arizona
 * 2
 * 0
 * The charge for the killings was dropped, and he was sentenced to an indefinite stay in a youth treatment center near Phoenix. He later moved to a group home and then a foster home
 * Released
 * Mary Cooper
 * 1885
 * 9
 * Richmond, Virginia
 * 1
 * 0
 * Arrested
 * Deceased
 * Unnamed boy
 * HS 2019-05-06May 6, 2019
 * 9
 * Fawn River Township, Michigan
 * 1
 * 0
 * The charge for the killings was dropped
 * Released
 * Kyle Alwood
 * HS 2019-04-06April 6, 2019
 * 9
 * Goodfield, Illinois
 * 5
 * 0
 * Charged with murder.
 * In custody
 * Cayetano Santos Godino
 * HS 1896-10-31October 31, 1896
 * HS 1906-03-29March 29, 1906 – December 3, 1912
 * HS 9-4-299 years, 4 months and 29 days – 16 years, 1 month and 3 days
 * Buenos Aires
 * 4
 * 0
 * The first murder was not discovered until he later confessed; in 1912 (aged 15–16) he killed three other victims; he was arrested several times, and the last one was between 1912 and 1944
 * Deceased
 * Unnamed boy
 * 2011–2012
 * September 2022
 * 10
 * Haicheng Township, Heilongjiang
 * 1
 * 0
 * Arrested along with a few of his friends who encouraged him to do it
 * Unknown
 * William York
 * 1738
 * HS 1748-05-13May 13, 1748
 * 10
 * Suffolk
 * 1
 * 0
 * Sentenced to death and later pardoned
 * Deceased
 * Hubbard Harrell
 * HS 1748-05-13February 2, 1888
 * 10
 * Longview, near Eastman, Georgia
 * 3
 * 0
 * Unknown
 * Deceased
 * James Osmanson
 * HS 1983c. 1983–1984
 * HS 1994-04-12April 12, 1994
 * 10
 * Butte, Montana
 * 1
 * 0
 * Was not sent to jail but received treatment at a residential facility.
 * Released
 * Joseph Mcvay
 * HS 20002000
 * HS 2011-01-02January 2, 2011
 * 10
 * Big Prairie, Ohio
 * 1
 * 0
 * Held in a youth facility to be sentenced when he is 21-years-old
 * Incarcerated
 * Unnamed girl
 * September 18, 2010
 * 10
 * Sandy Springs, Georgia
 * 1
 * 0
 * Arrested and charged with murder
 * Jane Walker
 * 1886
 * 10
 * Orangeburg, South Carolina
 * 1
 * 0
 * Arrested and charged with murder
 * Deceased
 * James Arcene
 * HS 1862c. 1862
 * 10
 * Fort Gibson, Oklahoma
 * 1
 * 0
 * Arrested and sentenced to death
 * Executed on June 18, 1885
 * Robert Thompson and Jon Venables
 * HS 1982-08August 23, 1982, and August 13, 1982
 * HS 1993-02-12February 12, 1993
 * HS 10-5-20Thompson: 10 years, 5 months and 20 days
 * HS 1906-03-29March 29, 1906 – December 3, 1912
 * HS 9-4-299 years, 4 months and 29 days – 16 years, 1 month and 3 days
 * Buenos Aires
 * 4
 * 0
 * The first murder was not discovered until he later confessed; in 1912 (aged 15–16) he killed three other victims; he was arrested several times, and the last one was between 1912 and 1944
 * Deceased
 * Unnamed boy
 * 2011–2012
 * September 2022
 * 10
 * Haicheng Township, Heilongjiang
 * 1
 * 0
 * Arrested along with a few of his friends who encouraged him to do it
 * Unknown
 * William York
 * 1738
 * HS 1748-05-13May 13, 1748
 * 10
 * Suffolk
 * 1
 * 0
 * Sentenced to death and later pardoned
 * Deceased
 * Hubbard Harrell
 * HS 1748-05-13February 2, 1888
 * 10
 * Longview, near Eastman, Georgia
 * 3
 * 0
 * Unknown
 * Deceased
 * James Osmanson
 * HS 1983c. 1983–1984
 * HS 1994-04-12April 12, 1994
 * 10
 * Butte, Montana
 * 1
 * 0
 * Was not sent to jail but received treatment at a residential facility.
 * Released
 * Joseph Mcvay
 * HS 20002000
 * HS 2011-01-02January 2, 2011
 * 10
 * Big Prairie, Ohio
 * 1
 * 0
 * Held in a youth facility to be sentenced when he is 21-years-old
 * Incarcerated
 * Unnamed girl
 * September 18, 2010
 * 10
 * Sandy Springs, Georgia
 * 1
 * 0
 * Arrested and charged with murder
 * Jane Walker
 * 1886
 * 10
 * Orangeburg, South Carolina
 * 1
 * 0
 * Arrested and charged with murder
 * Deceased
 * James Arcene
 * HS 1862c. 1862
 * 10
 * Fort Gibson, Oklahoma
 * 1
 * 0
 * Arrested and sentenced to death
 * Executed on June 18, 1885
 * Robert Thompson and Jon Venables
 * HS 1982-08August 23, 1982, and August 13, 1982
 * HS 1993-02-12February 12, 1993
 * HS 10-5-20Thompson: 10 years, 5 months and 20 days
 * Arrested and charged with murder
 * Jane Walker
 * 1886
 * 10
 * Orangeburg, South Carolina
 * 1
 * 0
 * Arrested and charged with murder
 * Deceased
 * James Arcene
 * HS 1862c. 1862
 * 10
 * Fort Gibson, Oklahoma
 * 1
 * 0
 * Arrested and sentenced to death
 * Executed on June 18, 1885
 * Robert Thompson and Jon Venables
 * HS 1982-08August 23, 1982, and August 13, 1982
 * HS 1993-02-12February 12, 1993
 * HS 10-5-20Thompson: 10 years, 5 months and 20 days
 * 1
 * 0
 * Arrested and sentenced to death
 * Executed on June 18, 1885
 * Robert Thompson and Jon Venables
 * HS 1982-08August 23, 1982, and August 13, 1982
 * HS 1993-02-12February 12, 1993
 * HS 10-5-20Thompson: 10 years, 5 months and 20 days
 * HS 1982-08August 23, 1982, and August 13, 1982
 * HS 1993-02-12February 12, 1993
 * HS 10-5-20Thompson: 10 years, 5 months and 20 days
 * Liverpool, Merseyside
 * 1
 * 0
 * Both arrested, sentenced to 10 years in prison; were released in 2001 after serving eight years
 * Released
 * Unnamed boy
 * HS 2013-11-26August 21, 2013
 * 10
 * Broadview, Saskatchewan
 * 1
 * 0
 * Arrested; could not be criminally charged because he was a child
 * In the custody of the province
 * George Green
 * HS 1839c. 1839
 * HS 1849-10-26October 26, 1849
 * 10
 * Kawartha Lakes, Ontario
 * 1
 * 0
 * Sentenced to death at age 11, sentence later commuted to life in prison at Kingston Pen
 * Died at Kingston Pen on August 21, 1852
 * Joseph Hall
 * HS 2000-06-19June 19, 2000
 * HS 2011-05-01May 1, 2011
 * HS 10-10-1210 years, 10 months and 12 days
 * Riverside, California
 * 1
 * 0
 * Arrested and sentenced to imprisonment until he reaches the age of 23
 * Incarcerated
 * Mary Bell
 * HS 1957-05-26May 26, 1957
 * HS 1968-07-31May 25 – July 31, 1968
 * HS 10-11-36410 years and 364 days – 11 years, 1 month and 7 days
 * Scotswood, Newcastle upon Tyne
 * 2
 * 0
 * Arrested, sentenced to detention at Her Majesty's pleasure; served 12 years in prison; accomplice Norma Joyce Bell (no relation) was acquitted after found that she took no part in the actual murders
 * Released
 * Anton Wood
 * 1881
 * HS 1902-01-15November 1892
 * 11
 * Denver, Colorado
 * 1
 * 0
 * Sentenced to 25 years to life in prison
 * Deceased
 * Nellie Corneilson
 * HS 1902-01-15January 15, 1902
 * 11
 * Wichita, Kansas
 * 1
 * 0
 * Arrested and later sent to live with family member
 * Deceased
 * Nathaniel Abraham
 * HS 1986-01-19January 19, 1986
 * HS 1997-10-29October 29, 1997
 * HS 11-9-011 years and 9 months
 * Detroit, Michigan
 * 1
 * 0
 * Arrested and imprisoned until his 21st birthday; went back to prison for more crimes committed in adulthood
 * Incarcerated
 * Andrew Golden
 * HS 1986-05-25May 25, 1986
 * HS 1998-03-24March 24, 1998
 * HS 11-9-2711 years, 9 months and 27 days
 * Westside Middle School, Craighead County, Arkansas
 * 5
 * 10
 * Arrested, along with accomplice Mitchell Johnson, imprisoned until his 21st birthday
 * Deceased
 * Unnamed girl
 * HS 1992c. 1992–1993
 * HS 2004-06-01June 1, 2004
 * 11
 * Sasebo, Nagasaki Prefecture
 * 1
 * 0
 * Arrested/Institutionalized. Name undisclosed to public due to legal reason.
 * Unnamed boy
 * HS 2004 2004
 * HS 2016-01-27January 27, 2016
 * 11
 * Perth, Australia
 * 1
 * 0
 * Sentenced to four years detention with the opportunity of early release on supervised parole.
 * Released
 * Nathan Faris
 * HS 1974c. 1974–1975
 * HS 1987-03-02March 2, 1987
 * 12
 * De Kalb, Missouri
 * 1
 * 0
 * Died by suicide
 * Deceased
 * Unnamed boy
 * HS 1987c. 1987–1988
 * HS 2000–01January 2000
 * 12
 * Bristol
 * 1
 * 0
 * Arrested
 * Piedad Martínez del Águila
 * 1953
 * HS 1966-01-04December 4, 1965, to January 4, 1966
 * 12
 * Murcia
 * 4
 * 0
 * Arrested/Institutionalized
 * Unknown
 * Mary Maher
 * August 21 – September 8, 1906
 * 12
 * Dunkitt, County Kilkeny
 * 3
 * 1
 * Died by suicide
 * Deceased
 * Jose Reyes
 * HS 2001-07-02July 2, 2001
 * HS 2013-10-21October 21, 2013
 * HS 12-3-1912 years, 3 months and 19 days
 * Sparks Middle School, Sparks, Nevada
 * 1
 * 2
 * Died by suicide
 * Deceased
 * Lionel Tate
 * HS 1987-01-30January 30, 1987
 * HS 1999-07-28July 28, 1999
 * HS 12-5-2812 years, 5 months and 28 days
 * Broward County, Florida
 * 1
 * 0
 * Arrested and originally sentenced to Life without parole which was reduced to one year's house arrest and 10 years' probation and was sent back to prison for violating his probation and committing armed robbery and sentenced to 30 years imprisonment with a 10-year sentence to run concurrently
 * Incarcerated
 * Christopher Pittman
 * HS 1989-04-09April 9, 1989
 * HS 2001-11-28November 28, 2001
 * HS 12-7-1912 years, 7 months and 19 days
 * Chester, South Carolina
 * 2
 * 0
 * Arrested and originally sentenced to 30 years to life in prison which was reduced to 25 years on appeal
 * Released
 * Hannah Ocuish (guilt disputed)
 * HS 1774-03March 1774
 * HS 1786-07-21July 21, 1786
 * HS 12-912 years and 9 months
 * New London, Connecticut
 * 1
 * 0
 * Sentenced to death
 * Executed on December 20, 1786
 * Evan Drake Savoie and Jake Lee Eakin
 * HS 1990November 14, 1990 (Eakin), October or November 1990 (Savoie)
 * HS 2003-02-15February 15, 2003
 * HS 12Both 12
 * Ephrata, Washington
 * 1
 * 0
 * 14 years in prison (Eakin), 26 years in prison reduced to 20 years after appeal (Savoie)
 * Both released
 * Jasmine Richardson
 * HS 1993c. 1993–1994
 * HS 2006-04-23April 23, 2006
 * 12
 * Medicine Hat, Alberta
 * 3
 * 0
 * Arrested and sentenced to 10 years imprisonment
 * Released
 * Chen
 * 2006
 * HS 2018-12-02December 2, 2018
 * 12
 * Yuanjiang, Hunan
 * 1
 * 0
 * Released
 * Curtis Fairchild Jones
 * May 31, 1986
 * HS 1999-01-06January 6, 1999
 * 12
 * Port St. John, Florida
 * 1
 * 0
 * Sentenced to 17 years in prison along with his 13-year-old sister Catherine for murder
 * Released
 * Unnamed boy
 * HS 2019-09-29September 29, 2019
 * 12
 * São Paulo
 * 1
 * 0
 * Sentenced to 3 years in prison
 * Incarcerated
 * Alex King
 * 1989
 * HS 2001-11-26November 26, 2001
 * 12
 * Cantonment, Florida
 * 1
 * 0
 * Killed his father. Arrested along with his accomplice, his older brother Derek (age 13), and sentenced to 7 years in prison.
 * Deceased
 * Danny Charles Preddie
 * 1988
 * HS 2000-11-27November 27, 2000
 * 12
 * London
 * 1
 * 0
 * Arrested along with his accomplice, his older brother Ricky, and sentenced to 8 years in prison.
 * Released in 2011
 * Unnamed boy
 * HS 2019-10-18October 18, 2019
 * 12
 * Curitiba
 * 1
 * 0
 * Temporarily detained for 45 days
 * Incarcerated
 * Howard Lang
 * 1935
 * HS 10–18October 18, 1947
 * 12
 * Chicago, Illinois
 * 1
 * 0
 * Arrested, sentenced to 22 years in prison after first trial
 * Acquitted on appeal in second trial after being judged too young to be responsible for his actions; released under supervision.
 * Edwin Debrow
 * 1979
 * HS 09–21September 21, 1991
 * 12
 * San Antonio, Texas
 * 1
 * 0
 * Arrested, sentenced to 27 years in prison.
 * Released in 2019
 * Terrence Darron Sampson
 * HS 03-23March 23, 1977
 * HS 12–02December 2, 1989
 * 12
 * Round Rock, Texas
 * 1
 * 0
 * Arrested, sentenced to 30 years in prison.
 * Released in 2019
 * Bailey Junior Kurariki
 * HS 05-15May 15, 1989
 * HS 09–12September 12, 2001
 * 12
 * Papakura, Auckland
 * 1
 * 0
 * Arrested, sentenced to 7 years in prison.
 * Released in 2008
 * Juan Manuel Cardenas Jr.
 * HS 1977 1977
 * HS 12-18December 18, 1989
 * 12
 * Orange, California
 * 1
 * 0
 * Sentenced to 1 year in jail
 * Released in 1991
 * São Paulo
 * 1
 * 0
 * Sentenced to 3 years in prison
 * Incarcerated
 * Alex King
 * 1989
 * HS 2001-11-26November 26, 2001
 * 12
 * Cantonment, Florida
 * 1
 * 0
 * Killed his father. Arrested along with his accomplice, his older brother Derek (age 13), and sentenced to 7 years in prison.
 * Deceased
 * Danny Charles Preddie
 * 1988
 * HS 2000-11-27November 27, 2000
 * 12
 * London
 * 1
 * 0
 * Arrested along with his accomplice, his older brother Ricky, and sentenced to 8 years in prison.
 * Released in 2011
 * Unnamed boy
 * HS 2019-10-18October 18, 2019
 * 12
 * Curitiba
 * 1
 * 0
 * Temporarily detained for 45 days
 * Incarcerated
 * Howard Lang
 * 1935
 * HS 10–18October 18, 1947
 * 12
 * Chicago, Illinois
 * 1
 * 0
 * Arrested, sentenced to 22 years in prison after first trial
 * Acquitted on appeal in second trial after being judged too young to be responsible for his actions; released under supervision.
 * Edwin Debrow
 * 1979
 * HS 09–21September 21, 1991
 * 12
 * San Antonio, Texas
 * 1
 * 0
 * Arrested, sentenced to 27 years in prison.
 * Released in 2019
 * Terrence Darron Sampson
 * HS 03-23March 23, 1977
 * HS 12–02December 2, 1989
 * 12
 * Round Rock, Texas
 * 1
 * 0
 * Arrested, sentenced to 30 years in prison.
 * Released in 2019
 * Bailey Junior Kurariki
 * HS 05-15May 15, 1989
 * HS 09–12September 12, 2001
 * 12
 * Papakura, Auckland
 * 1
 * 0
 * Arrested, sentenced to 7 years in prison.
 * Released in 2008
 * Juan Manuel Cardenas Jr.
 * HS 1977 1977
 * HS 12-18December 18, 1989
 * 12
 * Orange, California
 * 1
 * 0
 * Sentenced to 1 year in jail
 * Released in 1991
 * Arrested, sentenced to 30 years in prison.
 * Released in 2019
 * Bailey Junior Kurariki
 * HS 05-15May 15, 1989
 * HS 09–12September 12, 2001
 * 12
 * Papakura, Auckland
 * 1
 * 0
 * Arrested, sentenced to 7 years in prison.
 * Released in 2008
 * Juan Manuel Cardenas Jr.
 * HS 1977 1977
 * HS 12-18December 18, 1989
 * 12
 * Orange, California
 * 1
 * 0
 * Sentenced to 1 year in jail
 * Released in 1991
 * Orange, California
 * 1
 * 0
 * Sentenced to 1 year in jail
 * Released in 1991
 * Released in 1991

Age 13 to 17
{| class="wikitable sortable" width="100%" style="font-size: 100%" ! Name ! Date of birth ! Date of killing(s) ! Age at time of killing(s) ! Location ! Country ! Killed ! Injured ! Penalty of perpetrator(s) ! Current status of perpetrator(s) ! Ref.

(Boy B) Fifteen years imprisonment to be reviewed after eight years
 * 7th-grade student
 * July 30, 2009
 * HS 05-14May 3, 2023
 * 13
 * Vladislav Ribnikar Elementary School, Vračar, Belgrade
 * 🇷🇸 Serbia
 * 10
 * 6
 * Not charged due to age
 * Detained
 * Catherine Nicole Jones
 * June 6, 1985
 * HS 01-06January 6, 1999
 * 13
 * Port St. John, Florida
 * 1
 * 0
 * Sentenced to 17 years in prison, along with her 12-year-old brother Curtis, for murder.
 * Released
 * Unnamed boy
 * 2008
 * May 2022
 * 13
 * Kuwait City
 * 🇰🇼 Kuwait
 * 2
 * 0
 * None. ISIS-directed atrocity.
 * Unknown
 * James Watson
 * HS 1981-04-01April 1, 1981
 * HS 11-28November 28, 1994
 * 13
 * Peterborough
 * UK
 * 1
 * 0
 * Was not arrested for the murder until the mid-2010s, sentenced to life in prison with a minimum of 15 years before release
 * Incarcerated
 * Mary (slave)
 * HS 05-14May 14, 1837
 * 13–16
 * Crawford County, Missouri
 * 1
 * 0
 * Executed
 * Deceased
 * Max Porta
 * HS 04-20April 20, 2015
 * 13
 * Barcelona, Catalonia
 * 1
 * 4
 * He could not be legally charged with murder because of his age
 * Unknown
 * Unnamed boy
 * HS 06-25June 25, 2013
 * 13
 * Fort Worth, Texas
 * 1
 * 0
 * Sentenced to 23 years in prison.
 * Incarcerated
 * Unnamed boy
 * HS 07-23July 23, 1994
 * 13
 * Hommelheide, Susteren
 * 🇳🇱 Netherlands
 * 1
 * 0
 * Arrested
 * Unknown
 * Ricky Gavin Preddie
 * 1987
 * HS 11–27November 27, 2000
 * 13
 * London
 * 1
 * 0
 * Arrested along with his accomplice, his younger brother Danny, and sentenced to 8 years in prison; released on September 8, 2010, was recalled on March 13, 2011, for associating with gang members. He was released and recalled several more times.
 * Incarcerated
 * Nickalas Kedrowitz
 * HS 05-01May 1 – July 20, 2017
 * 13
 * Osgood, Indiana
 * 2
 * 0
 * Arrested, sentenced to 100 years in prison
 * Imprisoned
 * Marcelo Eduardo Bovo Pesseghini
 * HS 08-05August 5, 2013
 * 13
 * São Paulo
 * 4
 * 0
 * Died by suicide
 * Deceased
 * Derek King
 * 1988
 * HS 11–26November 26, 2001
 * 13
 * Cantonment, Florida
 * 1
 * 0
 * Killed his father. Arrested along with his accomplice, his younger brother Alex (age 12), and sentenced to 8 years in prison.
 * Released in 2009
 * Carrie Sampson
 * HS 08-17August 17, 1899
 * 13
 * Tallahassee, Florida
 * 1
 * 0
 * Arrested
 * Clive Beckett
 * 1908
 * HS 05-25May 25, 1922
 * 13
 * Biggenden, Queensland
 * 1
 * 0
 * Arrested, sentenced to state care at Palm Island industrial school until the age of 18
 * Arrested again in 1950 for assaulting his wife
 * Two unnamed boys
 * HS 2004c. 2004–2005
 * HS 05-14May 14, 2018
 * 13
 * Lucan, Fingal
 * 1
 * 0
 * (Boy A) Life imprisonment to be reviewed after twelve years
 * Deceased
 * Derek King
 * 1988
 * HS 11–26November 26, 2001
 * 13
 * Cantonment, Florida
 * 1
 * 0
 * Killed his father. Arrested along with his accomplice, his younger brother Alex (age 12), and sentenced to 8 years in prison.
 * Released in 2009
 * Carrie Sampson
 * HS 08-17August 17, 1899
 * 13
 * Tallahassee, Florida
 * 1
 * 0
 * Arrested
 * Clive Beckett
 * 1908
 * HS 05-25May 25, 1922
 * 13
 * Biggenden, Queensland
 * 1
 * 0
 * Arrested, sentenced to state care at Palm Island industrial school until the age of 18
 * Arrested again in 1950 for assaulting his wife
 * Two unnamed boys
 * HS 2004c. 2004–2005
 * HS 05-14May 14, 2018
 * 13
 * Lucan, Fingal
 * 1
 * 0
 * (Boy A) Life imprisonment to be reviewed after twelve years
 * 0
 * Arrested, sentenced to state care at Palm Island industrial school until the age of 18
 * Arrested again in 1950 for assaulting his wife
 * Two unnamed boys
 * HS 2004c. 2004–2005
 * HS 05-14May 14, 2018
 * 13
 * Lucan, Fingal
 * 1
 * 0
 * (Boy A) Life imprisonment to be reviewed after twelve years
 * 1
 * 0
 * (Boy A) Life imprisonment to be reviewed after twelve years
 * (Boy A) Life imprisonment to be reviewed after twelve years
 * Detained at Oberstown Children Detention Campus; will be transferred to adult prison once they reach 18 years of age
 * Ida Schell
 * 1907
 * 13
 * Munich, Bavaria
 * 6
 * 0
 * Deceased
 * Ronald Sanford Jr.
 * HS 1974-02-12February 12, 1974
 * HS 08-18August 18, 1987
 * HS 13-6-613, 6 months and 6 days
 * Indianapolis, Indiana
 * 2
 * 0
 * Arrested, sentenced to 170 years in prison
 * Incarcerated
 * Eric Smith
 * HS 1980-01-22January 22, 1980
 * HS 08-02August 2, 1993
 * HS 13-6-1113, 6 months and 11 days
 * Steuben County, New York
 * 1
 * 0
 * Sentenced to nine years to life in prison
 * Released in February 2022
 * Mitchell Johnson
 * HS 1984-08-11August 11, 1984
 * HS 03-24March 24, 1998
 * HS 13-7-1313, 7 months and 13 days
 * Westside Middle School, Craighead County, Arkansas
 * 5
 * 10
 * Arrested, along with accomplice Andrew Golden, imprisoned until his 21st birthday
 * Released
 * Nathaniel Brazill
 * HS 1986-09-22September 22, 1986
 * HS 05-26May 26, 2000
 * HS 13-8-413, 8 months and 4 days
 * Lake Worth Middle School, Lake Worth, Florida
 * 1
 * 0
 * Sentenced to 28 years imprisonment, plus 7 years felony probation
 * Incarcerated
 * Craig Price
 * HS 1973-10-11October 11, 1973
 * HS 07-27July 27, 1987 – September 1, 1989
 * HS 13-9-1613 years, 9 months and 16 days - 15 years, 10 months and 21 days
 * Warwick, Rhode Island
 * 4
 * 0
 * Arrested
 * Incarcerated
 * Two unnamed girls
 * HS 1999c. 1999–2000
 * HS 12December 2014
 * 13 and 14
 * Hartlepool
 * 1
 * 0
 * Both arrested and sentenced to a minimum of 15 years imprisonment
 * Both incarcerated
 * Two unnamed youths
 * HS 10–19October 19, 2019
 * 13 and 15
 * Porto Velho
 * 2
 * 0
 * Arrested
 * Juan Carlos Negrete-Vasquez
 * HS 1996 1996
 * HS 10-02October 2, 2009
 * 13
 * Cornelius, Oregon
 * 1
 * 0
 * Sentenced to life in prison with the possibility of parole after 30 years, later reduced to 12 years
 * Released
 * Demarious Latwan Banyard
 * HS 07-15July 15, 1989
 * HS 02-24February 24, 2003
 * 13
 * Jackson, Mississippi
 * 1
 * 0
 * Sentenced to life in prison without the possibility of parole, later reduced to 20 years
 * Released
 * Jessica Gonzalez
 * HS 1983 1983
 * HS 09-11September 11, 1996
 * 13
 * Providence, Rhode Island
 * 1
 * 0
 * Sentenced to 40 years in prison with the possibility of parole after 12 years
 * Released
 * Brooks Bellay
 * June 6, 1965
 * HS 08-20August 20, 1979
 * 14
 * Vero Beach, Florida
 * 1
 * 0
 * Sentenced to life with parole
 * Incarcerated
 * Unnamed boy
 * September 2017
 * 14
 * Katlijk
 * 🇳🇱 Netherlands
 * 2
 * 0
 * Incarcerated
 * Mason Sisk
 * 2004-2005
 * September 2019
 * 14
 * Elkmont, Alabama
 * 5
 * 0
 * Sentenced to life without parole
 * Imprisoned
 * Pedro Rodrigues Filho
 * HS 1954-07-17July 17, 1954
 * 1968
 * 14
 * Santa Rita do Sapucaí
 * 2
 * 0
 * Was at large after the first crime, and in the following years he committed dozens of other murders. Was arrested in 1973 and released in 2007, but was arrested again in 2011 and released in 2018
 * Deceased
 * Paul Jensen
 * c. 1981–1982
 * January 1996
 * 14
 * Fort Pierre, South Dakota
 * 1
 * 0
 * Arrested and sentenced to life without parole, later changed to 200 years
 * Imprisoned
 * Evan Miller
 * 1988
 * HS 07-21 July 15, 2003
 * 14
 * Moulton, Alabama
 * 1
 * 0
 * Arrested and sentenced to life without parole
 * Incarcerated
 * Peter Zimmer
 * HS 1968 July 7, 1968
 * HS 05-23 May 23, 1983
 * 14
 * Mineral Point, Wisconsin
 * 3
 * 0
 * Arrested and sentenced 4 years in a juvenile facility
 * Released and rearrested for later offenses.
 * Heather Smith
 * HS 1971c. 1971
 * HS 11–26November 26, 1985
 * 14
 * Spanaway, Washington
 * 2
 * 0
 * Died by suicide
 * Deceased
 * Keith E. Johnson
 * HS 1980December 20, 1980
 * HS 9–29September 29, 1995
 * 14
 * Tavares, Florida
 * 1
 * 0
 * Sentenced to life without parole plus 10 years
 * Imprisoned
 * Anna Bell
 * 1895
 * 14
 * Fairfield County, South Carolina
 * 3
 * 1
 * Arrested
 * Deceased
 * Hermann Koppes
 * 1899
 * 1913
 * 14
 * Elgin, Illinois
 * 3
 * 0
 * Arrested, sentenced to life in prison
 * Deceased
 * James Ortega
 * HS 1989-12-22December 22, 1989
 * HS 01-03January 3, 2004
 * HS 14-0-1214 years and 12 days
 * San Jose, California
 * 2
 * 1
 * Arrested, sentenced to 36 years to life in prison
 * Incarcerated
 * Brandon McInerney
 * HS 1994-01-24January 24, 1994
 * HS 02-11February 11, 2008
 * HS 14-0-1814 years and 18 days
 * E.O. Green Junior High School, Oxnard, California
 * 1
 * 0
 * Arrested and sentenced to 21 years in prison
 * Incarcerated
 * Jesse Harding Pomeroy
 * HS 1859-11-29November 29, 1859
 * HS 04February–April 1874
 * HS 14-2-014 years and 2 months
 * Charlestown, Boston, Massachusetts
 * 2
 * 0
 * Arrested and sentenced to death which was reduced to life imprisonment
 * Deceased
 * Caril Ann Fugate
 * HS 1943-07-30July 30, 1943
 * HS 01-21January 21, 1958
 * HS 14-5-2214, 5 months and 22 days
 * Lincoln, Nebraska
 * 2
 * 0
 * Arrested, along with her accomplice and boyfriend Charles Starkweather for murdering 11 people. Caril Ann Fugate denies killing anyone.
 * Released
 * Michael Carneal
 * HS 1983-06-01June 1, 1983
 * HS 12-01December 1, 1997
 * HS 14-6-014 years and 6 months
 * Heath High School, West Paducah, Kentucky
 * 3
 * 5
 * Arrested and sentenced to life imprisonment with the possibility of parole in 25 years
 * Incarcerated
 * Joshua Phillips
 * HS 1984-03-17March 17, 1984
 * HS 11-03November 3, 1998
 * HS 14-7-1714 years, 7 months and 17 days
 * Jacksonville, Florida
 * 1
 * 0
 * Arrested and sentenced to life without parole
 * Incarcerated
 * Philip Chism
 * HS 1999-01-21January 1, 1999
 * HS 10-22October 22, 2013
 * HS 14-9-114 years, 9 months and 1 day
 * Danvers, Massachusetts
 * 1
 * 0
 * Arrested and sentenced to life imprisonment with the possibility of parole in 40 years
 * Incarcerated
 * Barry Dale Loukaitis
 * HS 1981-02-26February 26, 1981
 * HS 02-02February 2, 1996
 * HS 14-11-714 years, 11 months and 7 days
 * Frontier Middle School, Moses Lake, Washington
 * 3
 * 1
 * Arrested and sentenced to two life sentences and an additional 205 years without the possibility of parole but resentenced to 189 years in prison.
 * Incarcerated
 * Alfonza Smalls
 * HS 1978-08-18August 18, 1978
 * HS 01-30January 30, 1993
 * 14
 * Eustis, Florida
 * 2
 * 1
 * Arrested and sentenced to life without parole
 * Incarcerated
 * Seito Sakakibara
 * HS 1992c. 1992–1993
 * HS 05-27March 16 – May 27, 1997
 * 14
 * Kobe, Hyogo
 * 2
 * 0
 * Arrested
 * Released
 * Andrew Jerome Wurst
 * HS 1983c. 1983–1984
 * HS 04-24April 24, 1998
 * 14
 * Edinboro, Pennsylvania
 * 1
 * 3
 * Arrested and sentenced to 30 to 60 years in prison
 * Incarcerated
 * Todd Cameron Smith
 * HS 1984c. 1984–1985
 * HS 04-28April 28, 1999
 * 14
 * W. R. Myers High School, Taber, Alberta
 * 1
 * 1
 * Arrested
 * Released, arrested again in 2005
 * Kenneth Bartley Jr.
 * HS 1990c. 1990–1991
 * HS 11-08November 8, 2005
 * 14
 * Campbell County Comprehensive High School, Jacksboro, Tennessee
 * 1
 * 2
 * Arrested
 * Released, arrested again several times since
 * Jesse Osborne
 * HS 2001c. 2001–2002
 * HS 09-28September 28, 2016
 * 14
 * Townville Elementary School, Townville, South Carolina
 * 2
 * 3
 * Arrested and sentenced to life without parole plus 30 years
 * Incarcerated
 * Kim Edwards and Lucas Markham
 * HS 2001-06-13June 13, 2001, and HS 2001-08-01August 1, 2001
 * HS 04-12April 12, 2016
 * 14
 * Spalding, Lincolnshire
 * 2
 * 0
 * Arrested and both sentenced to life with a minimum of $17 1/2$ years imprisonment
 * both Incarcerated
 * Sandy Charles
 * 1980
 * HS 07-08July 8, 1995
 * 14
 * La Ronge
 * 1
 * 0
 * Arrested, along with accomplice William Martin; found not guilty by reason of insanity and sent to psychiatric center
 * Incarcerated
 * Henryk Kukuła
 * 1966
 * HS 07-08September 23, 1980
 * 14
 * Chorzów
 * 1
 * 0
 * Arrested after murdering a 5-year-old girl and sentenced to educational facility; he later went on to kill and rape another three children as an adult
 * Incarcerated
 * Łukasz Wach
 * 2005
 * HS 07-08January 25, 2020
 * 14
 * Chełm
 * 1
 * 1
 * Arrested after murdering his stepmother and injuring his brother, found not guilty by reason of insanity and sent to psychiatric center
 * Incarcerated
 * Nikolai Dudin
 * 1973
 * HS 1973-12-22 December 3, 1987
 * HS 14 14
 * Furmanov, Ivanovo Oblast
 * 1
 * 0
 * Killed his father, and later 12 more people as an adult
 * Incarcerated
 * Jaap van der H.
 * HS 11-17November 17, 2009
 * 14
 * Urk
 * 🇳🇱 Netherlands
 * 1
 * 0
 * Arrested and given a 1-year sentence
 * Graham Young
 * September 7, 1947
 * HS 4-21April 21, 1962
 * 14
 * Neasden, London
 * 1
 * 0
 * Arrested after he killed his stepmother, was released eight years later, and went on to kill another 2 victims as an adult
 * Deceased
 * Unnamed boy
 * 2006
 * January 21, 2021
 * 14
 * Dublin
 * 1
 * 0
 * Life imprisonment, with review after 13 years
 * Detained at Oberstown Children Detention Campus; will be transferred to adult prison once he passes 18 years of age
 * Unnamed girl
 * 1894
 * 14
 * Hospital in Novgorod
 * 1–17
 * 0
 * Arrested
 * Deceased
 * Gregory McKnight
 * November 14, 1976
 * 1992
 * 15
 * Columbus, Ohio
 * 1
 * 0
 * Served a short sentence, released in 1997 at age 21
 * Incarcerated (for later killings)
 * Z (underaged killer)
 * December 31, 1985 (possibly)
 * HS 05-14May 14, 2001
 * 15
 * Hougang, Singapore
 * 🇸🇬 Singapore
 * 1
 * 0
 * Indefinite detention at the President's Pleasure
 * Released on December 2, 2018, after serving 17 years in prison
 * 2 unnamed boys
 * HS 12-13December 13, 2017
 * 15
 * Almere
 * 🇳🇱 Netherlands
 * 1
 * 0
 * Arrested
 * Unknown
 * Yasin N.
 * HS 04-29April 29, 2017
 * 15
 * Zaandam
 * 🇳🇱 Netherlands
 * 1
 * 0
 * Ethan Crumbley
 * 2006
 * HS 11-30November 30, 2021
 * 15
 * Oxford High School, Oxford, Michigan
 * 4
 * 7
 * Pleaded guilty to all charges
 * Incarcerated
 * Justin Wade Trammell
 * 1984
 * HS 03-05September 26, 1999
 * HS 15-0-2515
 * Bentonville, Arkansas
 * 1
 * 0
 * Arrested
 * Released and rearrested several times for crimes committed as an adult
 * Charles Andrew Williams
 * HS 1986-02-08February 8, 1986
 * HS 03-05March 5, 2001
 * HS 15-0-2515 years and 25 days
 * Santana High School, Santee, California
 * 2
 * 13
 * Arrested and sentenced to 50 years to life in prison
 * Incarcerated
 * Jaylen Ray Fryberg
 * HS 1999-07-31July 31, 1999
 * HS 10–24October 24, 2014
 * HS 15-2-2415 years, 2 months and 24 days
 * Marysville Pilchuck High School, Marysville, Washington
 * 4
 * 4
 * Died by suicide
 * Deceased
 * Sergey Gordeyev
 * HS 1998-10-04October 4, 1998
 * HS 02-03February 3, 2014
 * HS 15-3-3015 years, 3 months and 30 days
 * School No. 263, Otradnoye District, Moscow
 * 2
 * 1
 * Arrested
 * Eric Hainstock
 * HS 1991-04-04April 4, 1991
 * HS 09-29September 29, 2006
 * HS 15-5-2515 years, 5 months, and 25 days
 * Cazenovia, Wisconsin
 * 1
 * 0
 * Arrested and sentenced to life imprisonment with eligibility for parole in 2037
 * Incarcerated
 * Marie-Françoise Bougaran
 * HS 1850-09-04September 4, 1850
 * November 12–25, 1865
 * 15 and a half
 * Finistère
 * 3
 * 2
 * Arrested and sentenced to 20 years in prison
 * Deceased
 * Vadzim Milashevsky
 * HS 2003-06-26June 26, 2003
 * HS 02-11February 11, 2019
 * 15 years, 7 months, and 16 days
 * Stowbtsy
 * 2
 * 2
 * Arrested and sentenced to 13 years in prison
 * Imprisoned
 * Santre Sanchez Gayle
 * 1994 or 1995
 * March 2010
 * 15 years old
 * Hackney, London
 * 1
 * 0
 * Sentenced to 20 years imprisonment for murder for hire for £200 payment from victim's ex-husband; referred to in tabloids as "UK's 'youngest hitman'"
 * Edmund Kemper
 * HS 1948-12-18December 18, 1948
 * HS 08-27August 27, 1964
 * HS 15-8-915 years, 8 months, 9 days
 * North Fork, California
 * 2
 * 0
 * Arrested after he killed his grandparents, was released six years later, and went on to kill another 8 victims as an adult
 * Incarcerated
 * Kazutaka Komori
 * HS 1943c. 1943
 * 1961
 * 15
 * Tokyo
 * 1
 * 0
 * Arrested
 * Deceased
 * Willie Francis
 * HS 1929-01-12January 12, 1929
 * 1944
 * 15
 * St. Martinville, Louisiana
 * 1
 * 0
 * Arrested; executed in 1947 at age 18
 * Deceased
 * Alyssa Bustamante
 * 1994
 * HS 10–21October 21, 2009
 * 15
 * St. Martins, Missouri
 * 1
 * 0
 * Arrested and sentenced to life imprisonment with the possibility of conditional release
 * Incarcerated
 * Nick Clatterbuck
 * HS 1968c. 1968–1969
 * HS 02-28February 28, 1984
 * 15
 * Utah County, Utah
 * 2
 * 0
 * Arrested and sentenced to 5 years to life
 * Incarcerated
 * Jamar Siler
 * HS 1992c. 1992–1993
 * HS 08-21August 21, 2008
 * 15
 * Knoxville, Tennessee
 * 1
 * 0
 * Arrested and sentenced to 30 years
 * Unnamed boy
 * HS 10-10October 10, 2019
 * 15
 * London
 * 1
 * 0
 * Arrested
 * Edgar Yoevani
 * HS 1999c.1999
 * HS 05-06May 6, 2014
 * 15
 * Tlalnepantla, Mexico
 * 1
 * 0
 * Arrested
 * Toni Lawrence
 * HS 1976-02February 1976
 * HS 01-11January 11, 1992
 * 15
 * Madison, Indiana
 * 1
 * 0
 * Arrested, along with three other accomplices
 * Released
 * Hope Rippey
 * HS 1976-06June 1976
 * HS 01-11January 11, 1992
 * 15
 * Madison, Indiana
 * 1
 * 0
 * Arrested, along with three other accomplices
 * Released
 * Steven Washington
 * HS 1948-07-27July 27, 1948
 * August 28 – December 30, 1963
 * 15
 * St. Petersburg, Florida
 * 3
 * 2
 * Arrested and sentenced to life in prison
 * Deceased
 * Nehemiah Griego
 * HS 1997c. 1997–1998
 * HS 01-19January 19, 2013
 * 15
 * South Valley, New Mexico
 * 5
 * 0
 * Arrested and sentenced to life with the possibility of parole in 30 years.
 * Incarcerated
 * Luke Mitchell
 * HS 1987c. 1987–1988
 * HS 06-30June 30, 2003
 * 15
 * Easthouses, Scotland
 * 1
 * 0
 * Arrested
 * Incarcerated
 * Rafael Solich
 * HS 1988c. 1988–1989
 * HS 09-28September 28, 2004
 * 15
 * Carmen de Patagones, Buenos Aires Province
 * 3
 * 5
 * Arrested
 * Released
 * Jared Padgett
 * HS 1998c. 1998–1999
 * HS 06-10June 10, 2014
 * 15
 * Troutdale, Oregon
 * 1
 * 0
 * Died by suicide
 * Deceased
 * Don Steenkamp
 * HS 1997c. 1997
 * HS 04-06April 6, 2012
 * 15
 * Griekwastad
 * 3
 * 0
 * Arrested
 * Jason McLaughlin
 * HS 1987c. 1987–1988
 * HS 09-24 September 24, 2003
 * 15
 * Cold Spring, Minnesota
 * 2
 * 0
 * Arrested
 * Incarcerated
 * James Fairweather
 * HS 1998c. 1998
 * HS 03-29March 29, 2014
 * 15
 * Colchester, Essex
 * 2
 * 0
 * Arrested and sentenced to Life with minimum of 27 years
 * Incarcerated
 * Unnamed 15-year-old girl
 * HS 1998c. 1998–1999
 * HS 07-26July 26, 2014
 * 15
 * Sasebo, Nagasaki Prefecture
 * 1
 * 0
 * Arrested
 * Lisa Borch
 * HS 1998c. 1998–1999
 * HS 10-08October 8, 2014
 * 15
 * Kvissel, Vendsyssel
 * 1
 * 0
 * Arrested and sentenced to 9 years in prison
 * Incarcerated
 * Unnamed boy
 * HS 05-13May 13, 2015
 * 15
 * Goiânia
 * 1
 * 0
 * Arrested
 * Willie Bosket
 * HS 1962-12-09December 9, 1962
 * HS 03-19March 19, 1978
 * HS 15-3-1015 years, 3 months and 10 days
 * Harlem, New York
 * 2
 * 0
 * Arrested and currently serving 3 consecutive 25 to life sentences
 * Incarcerated
 * Jaivon White
 * HS 2003-01-30January 30, 2003
 * HS 09-19September 19, 2018
 * HS 15-7-2015 years, 7 months and 20 days
 * Waterbury, Connecticut
 * 1
 * 0
 * Arrested
 * Awaiting trial
 * Unnamed girl
 * c. 1999–2000
 * HS 04–28April 28, 2015
 * 15
 * Seinäjoki
 * 1
 * 0
 * 3 years of imprisonment
 * Released
 * Unnamed boy
 * HS 10–31October 31, 2019
 * 15
 * Londrina
 * 1
 * 0
 * Taken into custody
 * Juliet Hulme
 * HS 1938-10-28October 28, 1938
 * HS 1954-06-22June 22, 1954
 * 15
 * Victoria Park, Christchurch
 * 1
 * 0
 * Arrested and sentenced to 5 years in prison
 * Released; currently deceased
 * Jason Smith
 * HS 06-22May 24, 1993
 * 15
 * Pennsburg, Pennsylvania
 * 1
 * 0
 * Arrested and sentenced to 12 to 25 years in prison
 * unknown
 * NF (initials)
 * 2020
 * 15
 * Jakarta
 * 🇮🇩 Indonesia
 * 1
 * 0
 * Turned herself in and sentenced to 2 years in prison
 * Incarcerated
 * Juan Fernando Hermosa
 * HS 1976-02-28February 28, 1976
 * HS 11-22November 22, 1991 – June 17, 1993
 * 15-17
 * Quito, Ecuador
 * 🇪🇨 Ecuador
 * 23
 * 0
 * Arrested and sentenced to four years in prison
 * Assassinated
 * Paula Cooper
 * HS 1969-08-25August 25, 1969
 * HS 05-14May 14, 1985
 * HS 15-8-1915 years, 8 months and 19 days
 * Gary, Indiana
 * 1
 * 0
 * Arrested; released on June 17, 2013; died by suicide on May 26, 2015, 30 years after the murder
 * Deceased
 * Kipland Phillip Kinkel
 * HS 1982-08-30August 30, 1982
 * HS 05-21May 21, 1998
 * HS 15-8-2115 years, 8 months and 21 days
 * Thurston High School, Springfield, Oregon
 * 4
 * 25
 * Arrested and sentenced to 111 years in prison
 * Incarcerated
 * Akiyoshi Umekawa
 * HS 1948-03-01March 1, 1948
 * HS 12–16December 16, 1963
 * HS 15-9-1515 years, 9 months and 15 days
 * Ōtake, Hiroshima
 * 5
 * 0
 * Shot by police
 * Deceased
 * William Cornick
 * HS 1998-06-26June 26, 1998
 * HS 04-24April 24, 2014
 * HS 15-9-2915 years, 9 months and 29 days
 * Corpus Christi Catholic College, Halton Moor, Leeds
 * 1
 * 0
 * Arrested and sentenced to life with a minimum of 20 years
 * Incarcerated
 * Elmer Wayne Henley
 * HS 1956-05-09May 9, 1956
 * HS 03-24March 24, 1972 – August 8, 1973
 * HS 15-1015 years, 10 months and 15 days – 17 years, 5 months and 12 days
 * Houston, Texas
 * 7
 * 0
 * Sentenced to 594 years (six consecutive 99-year terms), next eligible for parole in October 2025
 * Incarcerated
 * Gabriel Ross Parker
 * HS 2002-03-02March 3, 2002
 * HS 01-23January 23, 2018
 * HS 15-9-2915 years, 10 months and 21 days
 * Marshall County High School, Draffenville, Kentucky
 * 2
 * 14
 * Arrested and sentenced to life with a minimum of 20 years
 * Incarcerated
 * Daniel Marsh
 * HS 1997-05-14 May 14, 1997
 * HS 04-13 April 13, 2013
 * 15 years, 10 months, and 30 days
 * Davis, California
 * 2
 * Arrested, convicted, and sentenced to life with parole eligibility after 25 years
 * Incarcerated
 * Nicholas Waggoner Browning
 * HS 1992-02-09February 9, 1992
 * HS 02-01February 1, 2008
 * HS 15-11-2415 years, 11 months, 24 days
 * Cockeysville, Maryland
 * 4
 * 0
 * Murdered his parents and two younger brothers. Pled guilty to four counts of first-degree murder. Sentenced to four life sentences, with two terms to be served consecutively.
 * Incarcerated
 * Nathaniel Tennosuke Berhow
 * HS 2019-11-14November 14, 2003
 * HS 11–14November 14, 2019
 * HS 16-0-016 years, 0 months, and 0 days
 * Santa Clarita, California
 * 2
 * 3
 * Died by suicide
 * Deceased
 * Unnamed boy
 * December 2017
 * 16
 * Sneek
 * 🇳🇱 Netherlands
 * 1
 * 0
 * Pauline Parker
 * HS 1938-05-26May 26, 1938
 * HS 1954-06-22June 22, 1954
 * 16
 * Victoria Park, Christchurch
 * 1
 * 0
 * Arrested and sentenced to 5 years in prison
 * Released
 * Evan Ramsey
 * HS 1981-02-08February 8, 1981
 * HS 02-19February 19, 1997
 * HS 16-0-1116 years and 11 days
 * Bethel Regional High School, Bethel, Alaska
 * 2
 * 2
 * Arrested and sentenced to two sentences of 99 years in prison with an eligibility for parole in the year 2066
 * Incarcerated
 * Alec Devon Kreider
 * HS 1991-02-04February 4, 1991
 * HS 05-12May 12, 2007
 * HS 16-1-1016 years, 1 month and 10 days
 * Manheim Township, Lancaster County, Pennsylvania
 * 3
 * 0
 * Arrested; died by suicide 10 years into serving his three consecutive life without parole sentences
 * Deceased
 * Courtney Schulhoff
 * HS 1987-12-27December 27, 1987
 * HS 02-10February 10, 2004
 * HS 16-1-1416 years, 1 month and 14 days
 * Altamonte Springs, Florida
 * 1
 * 0
 * Arrested and sentenced to life without parole, later reduced to 40 years
 * Imprisoned
 * Daniel Petric
 * HS 1991-08-24August 24, 1991
 * HS 10–20October 20, 2007
 * HS 16-1-2616 years, 1 month and 26 days
 * Wellington, Ohio
 * 1
 * 1
 * Arrested and sentenced to life with 23 years before parole
 * Incarcerated
 * Melinda Loveless
 * HS 1975-10-28October 28, 1975
 * HS 01-11January 11, 1992
 * HS 16-2-1416 years, 2 months and 14 days
 * Madison, Indiana
 * 1
 * 0
 * Arrested, along with three other accomplices
 * Released
 * Richard Grissom
 * HS 1960November 10, 1960
 * January 27, 1977
 * HS 16-2-1716 years, 2 months and 17 days
 * Lansing, Kansas
 * 1
 * 0
 * Arrested, sentenced to three years at a boys reformatory. Released, then killed at least three more women in 1989
 * Incarcerated
 * Martin Peyerl
 * HS 1983-08-11August 11, 1983
 * HS 11-01November 1, 1999
 * HS 16-2-2116 years, 2 months and 21 days
 * Bad Reichenhall, Germany
 * 5
 * 7
 * Died by suicide
 * Deceased
 * Sean Sellers
 * HS 1969-05-18May 18, 1969
 * HS 09-07September 7, 1985
 * HS 16-3-2016 years, 3 months and 20 days
 * Oklahoma City, Oklahoma
 * 3
 * 3
 * Arrested and executed
 * Deceased
 * David Brom
 * HS 1971-10-03October 3, 1971
 * HS 02-18February 18, 1988
 * HS 16-4-1516 years, 4 months and 15 days
 * Rochester, Minnesota
 * 4
 * 0
 * Arrested and sentenced to life in prison
 * Incarcerated
 * Marlene Olive
 * HS 1959-01-15January 15, 1959
 * HS 06-21June 21, 1975
 * 16 years, 5 months and 6 days
 * Terra Linda, San Rafael, California
 * 2
 * 0
 * Arrested and sentenced to four to six years of confinement
 * Unknown
 * Sarah Marie Johnson
 * HS 1987-01-24January 24, 1987
 * HS 09-02September 2, 2003
 * HS 16-7-916 years, 7 months and 9 days
 * Bellevue, Idaho
 * 2
 * 0
 * Arrested and sentenced to life without parole
 * Incarcerated
 * Jeff Weise
 * HS 1988-08-08August 8, 1988
 * HS 03-21March 21, 2005
 * HS 16-7-1316 years, 7 months and 13 days
 * Red Lake Senior High School, Red Lake, Minnesota
 * 9
 * 5
 * Died by suicide
 * Deceased
 * Luke Woodham
 * HS 1981-02-05February 5, 1981
 * HS 10-01October 1, 1997
 * HS 16-7-2616 years, 7 months and 26 days
 * Pearl High School, Pearl, Mississippi
 * 3
 * 7
 * Arrested
 * Incarcerated
 * Rod Ferrell
 * HS 1980-03-28March 28, 1980
 * HS 11–25November 25, 1996
 * HS 16-7-2816, 7 months and 28 days
 * Murray, Kentucky
 * 2
 * 0
 * Arrested and sentenced to life without parole
 * Incarcerated
 * Michael Bever
 * HS 1998-11-04November 4, 1998
 * HS 07–22July 22, 2015
 * HS 16-7-2816, 8 months and 18 days
 * Broken Arrow, Oklahoma
 * 5 (together with Robert Bever)
 * 1
 * Arrested and sentenced to life imprisonment with the possibility of parole in 38 years
 * Incarcerated
 * Éric Borel
 * HS 1978-12-11December 11, 1978
 * HS 09-24September 23–24, 1995
 * HS 16-9-1216 years, 9 months and 12 days
 * Cuers
 * 15
 * 4
 * Died by suicide
 * Deceased
 * Brenda Ann Spencer
 * HS 1962-04-03April 3, 1962
 * HS 01-29January 29, 1979
 * HS 16-9-2616 years, 9 months and 26 days
 * Cleveland Elementary School, San Diego, California
 * 2
 * 9
 * Arrested and sentenced to 25 years to life in prison
 * Incarcerated
 * Roberto Aparecido Alves Cardoso
 * HS 1986-12-09December 9, 1986
 * HS 11-05November 5, 2003
 * HS 16-10-2716 years, 10 months and 27 days
 * Embu-Guaçu
 * 1
 * 0
 * Sentenced to 3 years in prison, later interdicted and sent to an Experimental Health Unit
 * Incarcerated
 * Yukio Yamaji
 * HS 1983-08-21August 21, 1983
 * HS 07-29July 29, 2000
 * HS 16-11-816 years, 11 months and 8 days
 * Yamaguchi, Yamaguchi Prefecture
 * 3
 * 0
 * Arrested and executed by hanging
 * Deceased
 * Scott Dyleski
 * HS 1988-10-30October 30, 1988
 * HS 10–15October 15, 2005
 * HS 16-11-1516 years, 11 months and 15 days
 * Lafayette, California
 * 1
 * 0
 * Arrested
 * Harold Wilkins
 * HS 1916c. 1916
 * 1931–1932
 * 16
 * Arrested, convicted and sentenced to death
 * Deceased
 * Seisaku Nakamura
 * HS 1923c. 1923–1924
 * HS 08-28August 28, 1938
 * 16
 * Shizuoka Prefecture
 * 9–11
 * 0
 * Arrested; executed in 1943
 * Deceased
 * Muhammad Nasir Abdul Aziz
 * September 1990
 * HS 07-01July 1, 2007
 * 16
 * Whampoa, Singapore
 * 🇸🇬 Singapore
 * 1
 * 0
 * Indefinite detention at the President's Pleasure
 * Imprisoned
 * Rathakrishnan Ramasamy
 * 1965
 * HS 09-2020 September 1981
 * 16
 * East Coast Parkway, Singapore
 * 🇸🇬 Singapore
 * 1
 * 0
 * Indefinite detention at the President's Pleasure
 * Released in 2001
 * Ringo Lee Chiew Chwee
 * 16 September 1955
 * HS 12-2929 December 1971
 * 16
 * Serangoon, Singapore
 * 🇸🇬 Singapore
 * 3
 * 0
 * Indefinite detention at the President's Pleasure
 * Released in 1988 or 1989
 * Stephen Lee Hock Khoon
 * 27 October 1955
 * HS 12-2929 December 1971
 * 16
 * Serangoon, Singapore
 * 🇸🇬 Singapore
 * 3
 * 0
 * Indefinite detention at the President's Pleasure
 * Unknown, but presumably released
 * Leonard Shockley
 * HS 1941c. 1941–1942
 * HS 01-16January 16, 1958
 * 16
 * Dorchester County, Maryland
 * 1
 * 0
 * Arrested; executed on April 10, 1959, at the age of 17
 * Deceased
 * Kevin Madden and Timothy Ferriman
 * HS 1987c. 1987
 * HS 11–25November 25, 2003
 * HS 16Both 16
 * Toronto, Ontario
 * 1
 * 0
 * Both arrested
 * Nobuharu Minato
 * HS 1982c. 1982–1983
 * HS 01-04January 4, 1989
 * 16
 * Misato, Saitama Prefecture, Kanto
 * 1
 * 0
 * Arrested, along with three accomplices
 * Brian Lee Draper and Torey Michael Adamcik
 * HS 1990c. 1990 and June 14, 1990
 * HS 09-22September 22, 2006
 * HS 16Both 16
 * Pocatello, Idaho
 * 1
 * 0
 * Both arrested and sentenced to life without parole
 * Incarcerated
 * Sajal Barui
 * HS 1976c. 1976–1977
 * HS 11–22November 22, 1993
 * 16
 * Kolkata
 * 3
 * 0
 * Arrested
 * John Odgren
 * September 1, 1990
 * HS 01-19January 19, 2007
 * 16
 * Lincoln-Sudbury Regional High School, Sudbury, Massachusetts
 * 1
 * 0
 * Arrested
 * Incarcerated
 * John Katehis
 * HS 1992c. 1992–1993
 * HS 03-20March 20, 2009
 * 16
 * East Elmhurst, Queens, New York City
 * 1
 * 0
 * Arrested, sentenced to 25 years to life
 * Incarcerated
 * Unknown
 * HS 1998c. 1998
 * HS 06March 2014
 * 16
 * Limpopo
 * 2
 * 0
 * Arrested
 * Abdulrahman Ali
 * HS 06-06June 6, 2017
 * 16
 * London
 * 1
 * 0
 * Arrested
 * 3 unnamed boys
 * c. 2003–2004
 * HS 12-04December 4, 2020
 * 16
 * Koskela, Helsinki
 * 1
 * 0
 * Perpetrator A: sentenced to 10 years and 1 month in prison Perpetrator B: sentenced to 9 years and 2 months in prison Perpetrator C: sentenced to 8 years and 2 months in prison All perpetrators will serve one third of their sentence.
 * Incarcerated
 * HS 06-06June 6, 2017
 * 16
 * London
 * 1
 * 0
 * Arrested
 * Nathaniel Jouett
 * January 8, 2001
 * HS 08-28August 28, 2017
 * 16 years, 7 months, 20 days
 * Clovis, New Mexico
 * 2
 * 4
 * Arrested
 * Incarcerated
 * Ty Johnston
 * April 27, 1977
 * 16
 * St. Petersburg, Florida
 * 1
 * 0
 * Arrested
 * Released
 * F.E.R.J.
 * HS 1988c. 1988
 * October 2004
 * 16
 * Reñaca
 * 1
 * 0
 * Arrested and charged with homicide
 * Unknown
 * Two unknown 16-year-olds
 * HS 1992c. 1992–1993
 * HS 06-06June 6, 2009
 * HS 16Both 16
 * Stureby, Stockholm
 * 1
 * 0
 * Both arrested
 * Rachel Shoaf and Shelia Eddy
 * HS 1995September 28, 1995 (Eddy), June 10, 1996 (Shoaf)
 * HS 07-06July 6, 2012
 * HS 16Both 16
 * Wayne Township, Greene County, Pennsylvania
 * 1
 * 0
 * Both arrested
 * Both incarcerated
 * Leong Soon Long and Wong Soon Heng
 * c. 1991 to 1992
 * HS 09–1111 September 2008
 * 16–17
 * Kulai, Johor, Malaysia
 * 1
 * 0
 * Found guilty of murder and sentenced to indefinite detention at the pleasure of the Sultan of Johor
 * Unknown, presumably imprisoned or released
 * James Ellison Rouse
 * HS 1978c. 1978
 * HS 11–15November 15, 1995
 * 17
 * Richland High School, Lynnville, Tennessee
 * 2
 * 1
 * Arrested and sentenced to life without parole
 * Incarcerated
 * Fernando Fernández Luna
 * HS 1987c. 1987
 * HS 10–04October 4, 2004
 * 17
 * Liceo Nueva Zelanda, Santa Juana
 * 1
 * 0
 * Arrested and sentenced to 4 years' probation
 * Released
 * Bryan and David Freeman
 * HS 1978c. 1978–1979
 * HS 02-26February 26, 1995
 * 16–17
 * Salisbury Township, Lehigh County, Pennsylvania
 * 2
 * 0
 * Arrested and sentenced to life without parole
 * Incarcerated
 * Unnamed boy
 * December 2017
 * 17
 * Sneek
 * 🇳🇱 Netherlands
 * 1
 * 0
 * Zin Mar Nwe
 * c. 2001
 * HS 07-0125 June 2018
 * 17
 * Choa Chu Kang, Singapore
 * 🇸🇬 Singapore
 * 1
 * 0
 * Life imprisonment
 * Imprisoned
 * Edward George McGregor
 * HS 1973March 29, 1973
 * April 17, 1990
 * 17 years and 23 days
 * Missouri City
 * 1
 * 0
 * Arrested in 2006 after DNA linked him to the murder. It was discovered that he murdered at least three other women as an adult. Sentenced to life in prison without parole.
 * Incarcerated
 * Laurie Tackett
 * HS 1974-10-05October 5, 1974
 * HS 01-11January 11, 1992
 * HS 17-3-717 years, 3 months and 7 days
 * Madison, Indiana
 * 1
 * 0
 * Arrested, along with three other accomplices
 * Released
 * TJ Lane
 * HS 1994-09-19September 19, 1994
 * HS 02-27February 27, 2012
 * HS 17-5-817 years, 5 months and 8 days
 * Chardon, Ohio
 * 3
 * 3
 * Arrested, sentenced to life without parole
 * Incarcerated
 * Nicole Louise Pearce (formerly Paul Wayne Luckman)
 * HS 1964-11-01November 1, 1964
 * HS 05-04May 4, 1982
 * HS 17-6-317 years, 6 months and 3 days
 * Kingscliff, New South Wales
 * 1
 * 1
 * Arrested, sentenced to life imprisonment
 * Incarcerated
 * Peter Woodcock
 * HS 1939-03-05March 5, 1939
 * HS 09-15 (01-19)September 15, 1956 – January 19, 1957
 * HS 17-6-1017 years, 6 months and 10 days - 17 years, 10 months and 14 days
 * Peterborough, Ontario
 * 3
 * 0
 * Arrested
 * Deceased
 * Daniel LaPlante
 * HS 1970-05-16May 16, 1970
 * HS 12-01December 1, 1987
 * HS 17-6-1517 years, 6 months and 15 days
 * Townsend, Massachusetts
 * 3
 * 0
 * Arrested and sentenced to three consecutive life sentences with the possibility of parole in 45 years
 * Incarcerated
 * Dalton Prejean
 * HS 1959-12-10December 10, 1959
 * HS 07-02July 2, 1977
 * HS 17-6-2217 years, 6 months and 22 days
 * Lafayette Parish, Louisiana
 * 1
 * 0
 * Arrested, sentenced to death and executed
 * Deceased
 * Dimitrios Pagourtzis
 * HS 2000-10-12October 12, 2000
 * HS 05-18May 18, 2018
 * HS 1717
 * Santa Fe High School, Santa Fe, Texas
 * 10
 * 13
 * Arrested, charged with capital murder and aggravated assault of a peace officer, not contempt to stand trial
 * Incarcerated
 * Dylan Klebold
 * HS 1981-09-11September 11, 1981
 * HS 04-20April 20, 1999
 * HS 17-7-917 years, 7 months and 9 days
 * Columbine High School, Littleton, Colorado
 * 5
 * 24 (together with Eric Harris)
 * Died by suicide
 * Deceased
 * Tim Kretschmer
 * HS 1991-07-26July 26, 1991
 * HS 03-11March 11, 2009
 * HS 17-7-1317 years, 7 months and 13 days
 * Winnenden, Baden-Württemberg
 * 15
 * 9
 * Died by suicide
 * Deceased
 * Harvey Miguel Robinson
 * HS 1974-12-06December 6, 1974
 * HS 08August 1992
 * HS 17-8-017 and 8 months
 * Allentown, Pennsylvania
 * 1
 * 0
 * Arrested and sentenced to life without parole for one murder committed at age 17 and death for two murders committed at age 18
 * Incarcerated
 * Otoya Yamaguchi
 * HS 1943-02-22February 22, 1943
 * HS 10–12October 12, 1960
 * HS 17-8-1117 years, 8 months and 11 days
 * Hibiya Hall, Tokyo
 * 1
 * 0
 * Arrested; died by suicide before trial
 * Deceased
 * Austin Sigg
 * HS 1995-01-17January 17, 1995
 * HS 10-05October 5, 2012
 * HS 17-8-1817 years, 8 months and 18 days
 * Westminster, Colorado
 * 1
 * 0
 * Arrested and sentenced to life imprisonment with the possibility of parole after 40 years plus 82 years
 * Incarcerated
 * Ove Conry Andersson
 * HS 1944c. 1944–1945
 * HS 03-04March 4, 1961
 * 17
 * Kungälv, Västra Götaland
 * 1
 * 6
 * Arrested; died by suicide in prison in 2008
 * Deceased
 * Anthony Barbaro
 * HS 1956c. 1956–1957
 * HS 12–30December 30, 1974
 * 17
 * Olean High School, Olean, New York
 * 3
 * 11
 * Arrested; died by suicide less than a year into his sentence
 * Deceased
 * James Terry Roach
 * HS 1960-02-18February 18, 1960
 * 1976
 * 17
 * Columbia, South Carolina
 * 2
 * 0
 * Arrested, sentenced to execution 10 years later
 * Deceased
 * Jo Ogura
 * HS 1981c. 1981–1982
 * HS 01-04January 4, 1989
 * 17
 * Misato, Saitama Prefecture, Kanto
 * 1
 * 0
 * Arrested, along with three accomplices
 * Yasushi Watanabe
 * HS 1981c. 1981–1982
 * HS 01-04January 4, 1989
 * 17
 * Misato, Saitama Prefecture, Kanto
 * 1
 * 0
 * Arrested, along with three accomplices
 * Gary Scott Pennington
 * HS 1975c. 1975–1976
 * HS 01-18January 18, 1993
 * 17
 * Grayson, Kentucky
 * 2
 * 0
 * Arrested
 * Incarcerated
 * Hendrik Möbus, Sebastian Schauseil, and Andreas Kirchner
 * HS 1975c. 1975–1976
 * HS 04-29April 29, 1993
 * HS 17All 17
 * Sondershausen
 * 1
 * 0
 * All arrested
 * Alex Baranyi and David Anderson
 * HS 1979c. 1979–1980
 * HS 01-04January 3–4, 1997
 * HS 17Both 17
 * Bellevue, Washington
 * 4
 * 0
 * Both arrested and sentenced to life sentences without the possibility of parole
 * Incarcerated
 * Unknown 17-year-old male
 * HS 1982c. 1982–1983
 * HS 05-05May 4–5, 2000
 * 17
 * Dazaifu, Fukuoka
 * 1
 * 2
 * Arrested
 * Delara Darabi
 * HS 1986-09-29September 29, 1986
 * 2003
 * 17
 * Rasht
 * 1
 * 0
 * Arrested, sentenced to execution 6 years later
 * Deceased
 * Gary Hirte
 * HS 1986c. 1986
 * HS 07-23July 23, 2003
 * 17
 * Winnebago County, Wisconsin
 * 1
 * 0
 * Arrested and sentenced to life imprisonment with the possibility of parole after 32 years
 * Incarcerated
 * Tyler Hadley
 * HS 1993c. 1993–1994
 * HS 07-16July 16, 2011
 * 17
 * Port St. Lucie, Florida
 * 2
 * 0
 * Arrested and sentenced to life without parole
 * Imprisoned
 * Mathieu Moulinas
 * HS 1993c. 1993–1994
 * HS 11-11November 11, 2011
 * 17
 * Le Chambon-sur-Lignon
 * 1
 * 0
 * Arrested and sentenced to life in prison
 * Incarcerated
 * Wu Jiangguo
 * HS 2000c. 2000
 * HS 05-15May 15, 2017
 * 17
 * Maoming
 * 2
 * 4
 * Arrested
 * Randan Fontaine
 * HS 1998c. 1998–1999
 * HS 01-22January 22, 2016
 * 17
 * La Loche, Saskatchewan
 * 4
 * 7
 * Arrested and sentenced to life imprisonment with no chance of parole for 10 years
 * De'Marquise Elkins
 * HS 1998 1995
 * HS 01-22March 21, 2013
 * 17
 * Brunswick, Georgia
 * 1
 * 1
 * Arrested and convicted of felony murder, malice murder, cruelty to children and possession of a handgun during a crime and sentenced to life without parole
 * Incarcerated
 * Dayvon Daquan Bennett
 * HS 1994 1994
 * HS 04-28April 28, 2012-HS 03-31March 31, 2019
 * 17-26
 * Chicago, Illinois
 * 7-12
 * 17
 * Served a couple of years total in jail and avoided a 100 year sentence due to witnesses coming up as deceased. Bennett died on November 6, 2020, outside of a nightclub after an altercation.
 * Deceased
 * John Odgren
 * September 1, 1990
 * HS 01-19January 19, 2007
 * 16
 * Lincoln-Sudbury Regional High School, Sudbury, Massachusetts
 * 1
 * 0
 * Arrested
 * Incarcerated
 * John Katehis
 * HS 1992c. 1992–1993
 * HS 03-20March 20, 2009
 * 16
 * East Elmhurst, Queens, New York City
 * 1
 * 0
 * Arrested, sentenced to 25 years to life
 * Incarcerated
 * Unknown
 * HS 1998c. 1998
 * HS 06March 2014
 * 16
 * Limpopo
 * 2
 * 0
 * Arrested
 * Abdulrahman Ali
 * HS 06-06June 6, 2017
 * 16
 * London
 * 1
 * 0
 * Arrested
 * 3 unnamed boys
 * c. 2003–2004
 * HS 12-04December 4, 2020
 * 16
 * Koskela, Helsinki
 * 1
 * 0
 * Perpetrator A: sentenced to 10 years and 1 month in prison Perpetrator B: sentenced to 9 years and 2 months in prison Perpetrator C: sentenced to 8 years and 2 months in prison All perpetrators will serve one third of their sentence.
 * Incarcerated
 * HS 06-06June 6, 2017
 * 16
 * London
 * 1
 * 0
 * Arrested
 * Nathaniel Jouett
 * January 8, 2001
 * HS 08-28August 28, 2017
 * 16 years, 7 months, 20 days
 * Clovis, New Mexico
 * 2
 * 4
 * Arrested
 * Incarcerated
 * Ty Johnston
 * April 27, 1977
 * 16
 * St. Petersburg, Florida
 * 1
 * 0
 * Arrested
 * Released
 * F.E.R.J.
 * HS 1988c. 1988
 * October 2004
 * 16
 * Reñaca
 * 1
 * 0
 * Arrested and charged with homicide
 * Unknown
 * Two unknown 16-year-olds
 * HS 1992c. 1992–1993
 * HS 06-06June 6, 2009
 * HS 16Both 16
 * Stureby, Stockholm
 * 1
 * 0
 * Both arrested
 * Rachel Shoaf and Shelia Eddy
 * HS 1995September 28, 1995 (Eddy), June 10, 1996 (Shoaf)
 * HS 07-06July 6, 2012
 * HS 16Both 16
 * Wayne Township, Greene County, Pennsylvania
 * 1
 * 0
 * Both arrested
 * Both incarcerated
 * Leong Soon Long and Wong Soon Heng
 * c. 1991 to 1992
 * HS 09–1111 September 2008
 * 16–17
 * Kulai, Johor, Malaysia
 * 1
 * 0
 * Found guilty of murder and sentenced to indefinite detention at the pleasure of the Sultan of Johor
 * Unknown, presumably imprisoned or released
 * James Ellison Rouse
 * HS 1978c. 1978
 * HS 11–15November 15, 1995
 * 17
 * Richland High School, Lynnville, Tennessee
 * 2
 * 1
 * Arrested and sentenced to life without parole
 * Incarcerated
 * Fernando Fernández Luna
 * HS 1987c. 1987
 * HS 10–04October 4, 2004
 * 17
 * Liceo Nueva Zelanda, Santa Juana
 * 1
 * 0
 * Arrested and sentenced to 4 years' probation
 * Released
 * Bryan and David Freeman
 * HS 1978c. 1978–1979
 * HS 02-26February 26, 1995
 * 16–17
 * Salisbury Township, Lehigh County, Pennsylvania
 * 2
 * 0
 * Arrested and sentenced to life without parole
 * Incarcerated
 * Unnamed boy
 * December 2017
 * 17
 * Sneek
 * 🇳🇱 Netherlands
 * 1
 * 0
 * Zin Mar Nwe
 * c. 2001
 * HS 07-0125 June 2018
 * 17
 * Choa Chu Kang, Singapore
 * 🇸🇬 Singapore
 * 1
 * 0
 * Life imprisonment
 * Imprisoned
 * Edward George McGregor
 * HS 1973March 29, 1973
 * April 17, 1990
 * 17 years and 23 days
 * Missouri City
 * 1
 * 0
 * Arrested in 2006 after DNA linked him to the murder. It was discovered that he murdered at least three other women as an adult. Sentenced to life in prison without parole.
 * Incarcerated
 * Laurie Tackett
 * HS 1974-10-05October 5, 1974
 * HS 01-11January 11, 1992
 * HS 17-3-717 years, 3 months and 7 days
 * Madison, Indiana
 * 1
 * 0
 * Arrested, along with three other accomplices
 * Released
 * TJ Lane
 * HS 1994-09-19September 19, 1994
 * HS 02-27February 27, 2012
 * HS 17-5-817 years, 5 months and 8 days
 * Chardon, Ohio
 * 3
 * 3
 * Arrested, sentenced to life without parole
 * Incarcerated
 * Nicole Louise Pearce (formerly Paul Wayne Luckman)
 * HS 1964-11-01November 1, 1964
 * HS 05-04May 4, 1982
 * HS 17-6-317 years, 6 months and 3 days
 * Kingscliff, New South Wales
 * 1
 * 1
 * Arrested, sentenced to life imprisonment
 * Incarcerated
 * Peter Woodcock
 * HS 1939-03-05March 5, 1939
 * HS 09-15 (01-19)September 15, 1956 – January 19, 1957
 * HS 17-6-1017 years, 6 months and 10 days - 17 years, 10 months and 14 days
 * Peterborough, Ontario
 * 3
 * 0
 * Arrested
 * Deceased
 * Daniel LaPlante
 * HS 1970-05-16May 16, 1970
 * HS 12-01December 1, 1987
 * HS 17-6-1517 years, 6 months and 15 days
 * Townsend, Massachusetts
 * 3
 * 0
 * Arrested and sentenced to three consecutive life sentences with the possibility of parole in 45 years
 * Incarcerated
 * Dalton Prejean
 * HS 1959-12-10December 10, 1959
 * HS 07-02July 2, 1977
 * HS 17-6-2217 years, 6 months and 22 days
 * Lafayette Parish, Louisiana
 * 1
 * 0
 * Arrested, sentenced to death and executed
 * Deceased
 * Dimitrios Pagourtzis
 * HS 2000-10-12October 12, 2000
 * HS 05-18May 18, 2018
 * HS 1717
 * Santa Fe High School, Santa Fe, Texas
 * 10
 * 13
 * Arrested, charged with capital murder and aggravated assault of a peace officer, not contempt to stand trial
 * Incarcerated
 * Dylan Klebold
 * HS 1981-09-11September 11, 1981
 * HS 04-20April 20, 1999
 * HS 17-7-917 years, 7 months and 9 days
 * Columbine High School, Littleton, Colorado
 * 5
 * 24 (together with Eric Harris)
 * Died by suicide
 * Deceased
 * Tim Kretschmer
 * HS 1991-07-26July 26, 1991
 * HS 03-11March 11, 2009
 * HS 17-7-1317 years, 7 months and 13 days
 * Winnenden, Baden-Württemberg
 * 15
 * 9
 * Died by suicide
 * Deceased
 * Harvey Miguel Robinson
 * HS 1974-12-06December 6, 1974
 * HS 08August 1992
 * HS 17-8-017 and 8 months
 * Allentown, Pennsylvania
 * 1
 * 0
 * Arrested and sentenced to life without parole for one murder committed at age 17 and death for two murders committed at age 18
 * Incarcerated
 * Otoya Yamaguchi
 * HS 1943-02-22February 22, 1943
 * HS 10–12October 12, 1960
 * HS 17-8-1117 years, 8 months and 11 days
 * Hibiya Hall, Tokyo
 * 1
 * 0
 * Arrested; died by suicide before trial
 * Deceased
 * Austin Sigg
 * HS 1995-01-17January 17, 1995
 * HS 10-05October 5, 2012
 * HS 17-8-1817 years, 8 months and 18 days
 * Westminster, Colorado
 * 1
 * 0
 * Arrested and sentenced to life imprisonment with the possibility of parole after 40 years plus 82 years
 * Incarcerated
 * Ove Conry Andersson
 * HS 1944c. 1944–1945
 * HS 03-04March 4, 1961
 * 17
 * Kungälv, Västra Götaland
 * 1
 * 6
 * Arrested; died by suicide in prison in 2008
 * Deceased
 * Anthony Barbaro
 * HS 1956c. 1956–1957
 * HS 12–30December 30, 1974
 * 17
 * Olean High School, Olean, New York
 * 3
 * 11
 * Arrested; died by suicide less than a year into his sentence
 * Deceased
 * James Terry Roach
 * HS 1960-02-18February 18, 1960
 * 1976
 * 17
 * Columbia, South Carolina
 * 2
 * 0
 * Arrested, sentenced to execution 10 years later
 * Deceased
 * Jo Ogura
 * HS 1981c. 1981–1982
 * HS 01-04January 4, 1989
 * 17
 * Misato, Saitama Prefecture, Kanto
 * 1
 * 0
 * Arrested, along with three accomplices
 * Yasushi Watanabe
 * HS 1981c. 1981–1982
 * HS 01-04January 4, 1989
 * 17
 * Misato, Saitama Prefecture, Kanto
 * 1
 * 0
 * Arrested, along with three accomplices
 * Gary Scott Pennington
 * HS 1975c. 1975–1976
 * HS 01-18January 18, 1993
 * 17
 * Grayson, Kentucky
 * 2
 * 0
 * Arrested
 * Incarcerated
 * Hendrik Möbus, Sebastian Schauseil, and Andreas Kirchner
 * HS 1975c. 1975–1976
 * HS 04-29April 29, 1993
 * HS 17All 17
 * Sondershausen
 * 1
 * 0
 * All arrested
 * Alex Baranyi and David Anderson
 * HS 1979c. 1979–1980
 * HS 01-04January 3–4, 1997
 * HS 17Both 17
 * Bellevue, Washington
 * 4
 * 0
 * Both arrested and sentenced to life sentences without the possibility of parole
 * Incarcerated
 * Unknown 17-year-old male
 * HS 1982c. 1982–1983
 * HS 05-05May 4–5, 2000
 * 17
 * Dazaifu, Fukuoka
 * 1
 * 2
 * Arrested
 * Delara Darabi
 * HS 1986-09-29September 29, 1986
 * 2003
 * 17
 * Rasht
 * 1
 * 0
 * Arrested, sentenced to execution 6 years later
 * Deceased
 * Gary Hirte
 * HS 1986c. 1986
 * HS 07-23July 23, 2003
 * 17
 * Winnebago County, Wisconsin
 * 1
 * 0
 * Arrested and sentenced to life imprisonment with the possibility of parole after 32 years
 * Incarcerated
 * Tyler Hadley
 * HS 1993c. 1993–1994
 * HS 07-16July 16, 2011
 * 17
 * Port St. Lucie, Florida
 * 2
 * 0
 * Arrested and sentenced to life without parole
 * Imprisoned
 * Mathieu Moulinas
 * HS 1993c. 1993–1994
 * HS 11-11November 11, 2011
 * 17
 * Le Chambon-sur-Lignon
 * 1
 * 0
 * Arrested and sentenced to life in prison
 * Incarcerated
 * Wu Jiangguo
 * HS 2000c. 2000
 * HS 05-15May 15, 2017
 * 17
 * Maoming
 * 2
 * 4
 * Arrested
 * Randan Fontaine
 * HS 1998c. 1998–1999
 * HS 01-22January 22, 2016
 * 17
 * La Loche, Saskatchewan
 * 4
 * 7
 * Arrested and sentenced to life imprisonment with no chance of parole for 10 years
 * De'Marquise Elkins
 * HS 1998 1995
 * HS 01-22March 21, 2013
 * 17
 * Brunswick, Georgia
 * 1
 * 1
 * Arrested and convicted of felony murder, malice murder, cruelty to children and possession of a handgun during a crime and sentenced to life without parole
 * Incarcerated
 * Dayvon Daquan Bennett
 * HS 1994 1994
 * HS 04-28April 28, 2012-HS 03-31March 31, 2019
 * 17-26
 * Chicago, Illinois
 * 7-12
 * 17
 * Served a couple of years total in jail and avoided a 100 year sentence due to witnesses coming up as deceased. Bennett died on November 6, 2020, outside of a nightclub after an altercation.
 * Deceased
 * Yasushi Watanabe
 * HS 1981c. 1981–1982
 * HS 01-04January 4, 1989
 * 17
 * Misato, Saitama Prefecture, Kanto
 * 1
 * 0
 * Arrested, along with three accomplices
 * Gary Scott Pennington
 * HS 1975c. 1975–1976
 * HS 01-18January 18, 1993
 * 17
 * Grayson, Kentucky
 * 2
 * 0
 * Arrested
 * Incarcerated
 * Hendrik Möbus, Sebastian Schauseil, and Andreas Kirchner
 * HS 1975c. 1975–1976
 * HS 04-29April 29, 1993
 * HS 17All 17
 * Sondershausen
 * 1
 * 0
 * All arrested
 * Alex Baranyi and David Anderson
 * HS 1979c. 1979–1980
 * HS 01-04January 3–4, 1997
 * HS 17Both 17
 * Bellevue, Washington
 * 4
 * 0
 * Both arrested and sentenced to life sentences without the possibility of parole
 * Incarcerated
 * Unknown 17-year-old male
 * HS 1982c. 1982–1983
 * HS 05-05May 4–5, 2000
 * 17
 * Dazaifu, Fukuoka
 * 1
 * 2
 * Arrested
 * Delara Darabi
 * HS 1986-09-29September 29, 1986
 * 2003
 * 17
 * Rasht
 * 1
 * 0
 * Arrested, sentenced to execution 6 years later
 * Deceased
 * Gary Hirte
 * HS 1986c. 1986
 * HS 07-23July 23, 2003
 * 17
 * Winnebago County, Wisconsin
 * 1
 * 0
 * Arrested and sentenced to life imprisonment with the possibility of parole after 32 years
 * Incarcerated
 * Tyler Hadley
 * HS 1993c. 1993–1994
 * HS 07-16July 16, 2011
 * 17
 * Port St. Lucie, Florida
 * 2
 * 0
 * Arrested and sentenced to life without parole
 * Imprisoned
 * Mathieu Moulinas
 * HS 1993c. 1993–1994
 * HS 11-11November 11, 2011
 * 17
 * Le Chambon-sur-Lignon
 * 1
 * 0
 * Arrested and sentenced to life in prison
 * Incarcerated
 * Wu Jiangguo
 * HS 2000c. 2000
 * HS 05-15May 15, 2017
 * 17
 * Maoming
 * 2
 * 4
 * Arrested
 * Randan Fontaine
 * HS 1998c. 1998–1999
 * HS 01-22January 22, 2016
 * 17
 * La Loche, Saskatchewan
 * 4
 * 7
 * Arrested and sentenced to life imprisonment with no chance of parole for 10 years
 * De'Marquise Elkins
 * HS 1998 1995
 * HS 01-22March 21, 2013
 * 17
 * Brunswick, Georgia
 * 1
 * 1
 * Arrested and convicted of felony murder, malice murder, cruelty to children and possession of a handgun during a crime and sentenced to life without parole
 * Incarcerated
 * Dayvon Daquan Bennett
 * HS 1994 1994
 * HS 04-28April 28, 2012-HS 03-31March 31, 2019
 * 17-26
 * Chicago, Illinois
 * 7-12
 * 17
 * Served a couple of years total in jail and avoided a 100 year sentence due to witnesses coming up as deceased. Bennett died on November 6, 2020, outside of a nightclub after an altercation.
 * Deceased
 * 17
 * Maoming
 * 2
 * 4
 * Arrested
 * Randan Fontaine
 * HS 1998c. 1998–1999
 * HS 01-22January 22, 2016
 * 17
 * La Loche, Saskatchewan
 * 4
 * 7
 * Arrested and sentenced to life imprisonment with no chance of parole for 10 years
 * De'Marquise Elkins
 * HS 1998 1995
 * HS 01-22March 21, 2013
 * 17
 * Brunswick, Georgia
 * 1
 * 1
 * Arrested and convicted of felony murder, malice murder, cruelty to children and possession of a handgun during a crime and sentenced to life without parole
 * Incarcerated
 * Dayvon Daquan Bennett
 * HS 1994 1994
 * HS 04-28April 28, 2012-HS 03-31March 31, 2019
 * 17-26
 * Chicago, Illinois
 * 7-12
 * 17
 * Served a couple of years total in jail and avoided a 100 year sentence due to witnesses coming up as deceased. Bennett died on November 6, 2020, outside of a nightclub after an altercation.
 * Deceased
 * Dayvon Daquan Bennett
 * HS 1994 1994
 * HS 04-28April 28, 2012-HS 03-31March 31, 2019
 * 17-26
 * Chicago, Illinois
 * 7-12
 * 17
 * Served a couple of years total in jail and avoided a 100 year sentence due to witnesses coming up as deceased. Bennett died on November 6, 2020, outside of a nightclub after an altercation.
 * Deceased
 * 17
 * Served a couple of years total in jail and avoided a 100 year sentence due to witnesses coming up as deceased. Bennett died on November 6, 2020, outside of a nightclub after an altercation.
 * Deceased