Since 9 11. Were live from dallas with all the latest on the investigation. Nightly news begins right now. Announcer tragedy in dallas, this is nbc nightly news with lester holt reporting from dallas. Police say the shots that turned the streets behind me in the killing zone, taking the lives of five Police Officers and wounding 11 others and a civilian. Tonight the nation shares dallass anxiety and shock at how a Police Protest against the death of a black man. As marchers rang in fear from the shots, police took cover and desperately tried to neutralize the attacker. Tonight we have learned that the sniper is an army war veteran. Reporter the ambush was well planned, well thought out and evil, police say. Hundreds of protesters caught in the cross fire, while officers were targeted in cold blood. I didnt see anybody else get shot, it was just the cops. Reporter tonight the gunman is identified as 24yearold Micah Johnson. He was wearing body armor and he was laughing and singing durin