Examination of Gunshot Residue (GSR) | Paper 4
Channel: Forensic 365
Date: 2021-12-27

Gunshot residue is the result of a mass of debris that comes out of the muzzle along with the projectile(s) during a shot. The composition of GSR mainly includes the primer residues, residues from the projectile(s), partially burned or unburned gun powdered particles. The examination of patterns of GSR on items of evidence can be used to determine the muzzle to target distance. In addition, the GSR can also be found on individuals who has had come in contact with the firearm or fired ammunition components or with objects that have GSR on them.

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#gunshot residue#gsrcomposition #detectionofprimerresidue #analyticalmethods #qualitativemethods