Forensic Ballistics Questions

by Leola

Photo Credit: Gopal1035

Photo Credit: Gopal1035

If a person shoots a 40 cal s&w semi auto gun will he have gsr on his hands and clothes? If yes, how long would it to take to clean off or wear off? With this type of gun is it possible to retrieve finger prints and retrieve a fiber from inside the barrell after it has been fired?

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