A security officer shot and killed a man armed with a pistol and knife just inside the entrance of a federal courthouse in Tennessee, authorities say.

A security officer shot and killed a man armed with a pistol and knife just inside the entrance of a federal courthouse in Tennessee, authorities say. ↧ Man with a gun and knife is fatally shot by security at Nashville f... The man in his 40s tried to fire his gun but failed and then pulled out a knife at around 9:30 a.m., said Don Aaron, spokesperson for Metro Nashville Police.