WASHINGTON - Keeping American weapons from getting into the hands of Mexican gangs is the goal of a program called "Project Gunrunner." But critics say it's doing exactly the opposite. CBS News investigative correspondent Sharyl Attkisson reports on what she found. December 14, 2010. The place: a dangerous smuggling route in Arizona not far from the border. A special tactical border squad was on patrol when gunfire broke out and agent Brian Terry was killed. Kent,... (GunPolicy.org)