Did the tighter control results in any difficulty for criminals

来源: 于 2012-12-16 10:56:47 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Is it possible that a small area of gun control can not reflect the fact for a whole control because it could really bring difficulty for  criminals to get guns? And only crime rates? How about death rate by crime with gun control?