Northern Police District

The Northern Police District (NPD) is a police district command under the National Capital Region Police Office (NCRPO) of the Philippine National Police (PNP) serves the cities named Caloocan, Malabon, Navotas, Valenzuela as its law enforcement agency. The headquarters located at Caloocan.

History
The police departments of Caloocan, Malabon, Navotas, Valenzuela and Quezon City were merged to form the Northern Police District (NPD), by virtue of the creation of the Integrated National Police in 1975 by Presidential Decree No. 765 and having headquarters in Camp Karingal. In 1990, the Quezon City Council created an ordinance to separate from NPD to create the Central Police District, and by 1993, the headquarters was transferred to Caloocan.

Lists of chiefs
The following list only started from 2001:

Headquarters
Under the Director, NPD it has:


 * Deputy District Director for Administration
 * Deputy District Director for Operation
 * Chief District Directorial Staff
 * Secretary to Directorial Staff
 * Office of the District Executive Senior Police Office

The administrative divisions are:


 * District Personnel and Records Management Division
 * District Logistic Division
 * District Comptrollership Division

The operational divisions and units are:


 * District Intelligence Division
 * District Operation and Plans Division
 * District Community Affairs and Development Division
 * District Investigative and Detective Management Division
 * District Drug Enforcement Unit
 * District Headquarters Support Unit
 * District Mobile Force Battalion
 * District Traffic Enforcement Unit
 * District Special Operation Unit
 * Anti-Carnapping Unit
 * District Tactical Motorized Unit

Stations:

 * Caloocan City Police Station
 * Malabon City Police Station
 * Navotas City Police Station
 * Valenzuela City Police Station

The de los Santos, Arnaiz, and de Guzman Murders
Kian delos Santos, Carl Arnaiz and Reynaldo de Guzman were three teenagers who were killed on August 16 to 18, 2017, during the course of the Philippine drug war. All of them are allegedly killed by different Caloocan Police Station officers. delos Santos got a gunshot wound to the head, Arnaiz reported to have been shot dead, while de Guzman was stabbed 30 times and found in a creek in Gapan, Nueva Ecija. All of the cases are seen in CCTV footages.

Only PO1 Jefrey Perez was convicted of by Caloocan RTC of murder, torture, and planting of evidence.