Vigil held in honour of Dallas officers killed at protest

Sat, Jul 9: Dallas Mayor Mike Rawlings says the suspect in the sniper killings of five police officers was wearing a bulletproof vest and using an AR-15 assault rifle. Micah Johnson was killed by a robot-delivered bomb after the shootings Thursday night. Rawlings says authorities believe Johnson was the lone attacker and that the city is now safe. Last night, there was a vigil for the dead officers. Aarti Pole reports.