...what if the bad guy uses a revolver? There may not be spent casings laying at the scene of a crime.
Gun rights groups await judge's ruling on California's 'microstamping' law
Microstamping technology is designed to leave a telltale indentation in the very center of the shell casing when the gun is fired.
http://www.foxnews.com/politics/201...judge-ruling-on-california-microstamping-law/
Gun rights groups await judge's ruling on California's 'microstamping' law
Microstamping technology is designed to leave a telltale indentation in the very center of the shell casing when the gun is fired.
http://www.foxnews.com/politics/201...judge-ruling-on-california-microstamping-law/