How to Buy an Assault Rifle in Pennsylvania

Walk into a gun shop (say, Clayton’s Hunting and Fishing in Horsham), display a driver’s license, fill out a 16-question form to verify you’re not a felon, mentally ill, or an undocumented immigrant, wait half an hour for a police background check, and go home with your weapon. And there are 40 states with looser gun laws. NBC’s Harry Hairston shows us how. [NBC 10]