In an extraordinary move, police in Dallas used a bomb and a robot to kill a suspect in the deadly Dallas shooting early Friday morning Faced with a suspect holed up at El Centro College in Dallas and several officers already dead, law enforcement turned to an unusual method of detonating a bomb Dallas Police Chief David Brown said after hours-long negotiations broke down and officers exchanged gunfire with the suspect police weren’t left with many options to disarm the shooter He confirmed the explosion caused the suspect’s death and the suspect did not kill himself per earlier news reports