Snipers operating from rooftops in Dallas killed five police officers and wounded six more in a coordinated attack during one of several protests across the country against the killing of two black men by police this week. One suspect has been identified:

Dallas police shooting: suspect identified as 25-year-old army reserve Micah Johnson

Snipers operating from rooftops in Dallas killed five police officers and wounded six more in a coordinated attack during one of several protests across the country against the killing of two black men by police this week. One suspect has been identified: