Firearm to Target Distance Determination

The presence of a bullet hole is often obvious. More subtle, however, are telltale signs that can indicate the distance from which a firearm was discharged (i.e. muzzle to target distance). In particular, a dark shirt, or a bloodstained shirt may obscure or complicate such determinations. Upon penetration, lead residues from both bullet wipe and gaseous particulate matter are deposited on the shirt. Microtrace has shown that the measured concentrations of these deposits can be useful for determining this muzzle to target distance.

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