User:Sfoster33/Forensic Glass Analysis

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History of Forensic Glass Analysis

History of Forensic Glass Analysis
Forensic glass analysis research has been conducted for many years. The first forensic book published on analyzing glass was written by Hans Gross. This book focused on exit, entry and the order of multiple bullet holes in glass for reconstruction purposes. Gross' research was confirmed in 1931 by Matwejeff when he also conducted experiments similar to Gross' and his own. From his own research, he was the first to show Wallner lines, also shown as conchoidal or rib lines. The first case in forensic glass fragments analysis was published by Marris when glass fragments found tied a suspect to the crime scene. Based on the work by Marris and Matwejeff, F.G Tryhorn also published writing in this field that explained examinations of glass including chemical composition. Further research in this field was done by Nelson and Revell in 1967, followed by Coleman and Goode who used neutron activity for element analysis.

Many research projects and government groups continue to update and strengthen the field of forensic glass analysis. An example of a group is the Scientific Working Group on Materials (SWGMAT). This group creates and creates analytical guild lines to improve glass analysis, beginning in the 1990s. From laboratory trials to accepted methods, the field of forensic glass analysis is able to standardize emerging practices.