CNNW John King USA March 12, 2012
army staff sergeant accused of the unthinkable. walking off base and executing 16 civilians, nine of them children. the sergeant is a qualified sniper trained to hit and kill people at a distance of eight football fields. let's go to chris lawrence. what else do we know about this accused gunman? >> he's a combat veteran that did three tours in iraq. on the last tour in 2010, his vehicle rolled over. he suffered a traumatic brain injury. the army treated him for that. he was diagnosed and declared fit for duty. he's a married man, a father of two. over the weekend, the military moved...