Gun Shot Residue Research Paper

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GSR is short for gun shot residue; the residue is created from a firearm being discharged. Residue is deposited on the hand or the clothes of the individual who discharged the firearm. The residue is made up of burnt and unburnt particles from the bullet and the cartridge case. GSR residue helps investigators to determine who fired the firearm and what type of firearm was used. In some cases it helps investigators know the distance of the shot that was fired based on the residue

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