AP Exclusive: Pentagon gun was from Tenn. police

Pentagon Police officers patrol the perimeter as law enforcement officials meet at the Pentagon Metro complex where a man with a gun opened fire in Washington, Thursday, March 4, 2010. A gunman coolly drew a weapon from his pocket and opened fire at the teeming subway entrance to the Pentagon complex, wounding two police officers before being shot and critically wounded, officials said., Thursday, March 4, 2010. (AP Photo/Cliff Owen)

March 14, 2010 8:10:06 AM PDT
Two guns used in high-profile shootings this year at the Pentagon and a Las Vegas courthouse both came from the same unlikely place: the police and court system of Memphis, Tenn.