Dallas Police Department Attempt To Block Release Of Info Related To Bomb Robot

"On July 7, Micah Xavier Johnson attacked a group of police officers in Dallas, Texas, killing five officers and injuring two others. Johnson was reportedly upset about the police shootings of black men and wanted to target white officers. After hours of negotiations, Dallas Police Chief David Brown decided to send in a robot armed with a brick of C-4 explosive. The robot detonated the bomb near Johnson on the campus of El Centro College in downtown Dallas. Johnson was killed in the explosion."