Texas_Tribune_dallas_shooting

Police officers take cover as they search for suspects in deadly shooting in downtown Dallas on July 8, 2016. Photo courtesy of The Texas Tribune.

Police officers take cover as they search for suspects in deadly shooting in downtown Dallas on July 8, 2016. Photo courtesy of The Texas Tribune.

Police officers take cover as they search for suspects in deadly shooting in downtown Dallas on July 8, 2016. Photo courtesy of The Texas Tribune.