MINNEAPOLIS, MN (trfnews.i234.me) A Minneapolis man has been charged with using a 3D printer to manufacture machine guns. 25 year old aaron cato of north minneapolis has been charged with using a 3d printer to manufacture machine guns more specifically auto sears uh the parts used to turn a semi-automatic weapon into a fully automatic… Continue reading Minneapolis Man Arrested for Producing Machine Guns Using 3D Printing Technology, Dubbed “Ghost Guns”