One year after the Newtown, Conn. and Aurora, Colo. mass shootings, the gun control debate has dominated national headlines. Van Zeller and Foster visit a gun enthusiast community in Arizona, a state with some of the most permissive gun laws in America. In dramatic hidden camera footage, van Zeller and a private investigator purchase an AK-47 assault rifle in a fast food parking within an hour of making contact with the seller.