The Thinking Machine

July / August, 2013

Why isn't there a law that requires all new guns to be stamped so they leave a distinct mark on the bullets they fire, allowing investigators to match casings to weapon ("Ammo Nation," March)? Casings could also be stamped with codes thatlead investigators back to the point of purchase. There are ways around this system, but it would make anonymous shoot­ings a lot more complicated,and the knowledge that bul­lets can be traced may deter a great many shooters. It's hard to believe anyon...