latest on that deadly shooting rampage in chattanooga, tennessee, a gunman opening fire at two military centers just minutes apart. >> four marines were killed and three people wounded. a 24-year-old gunman is also dead. he's been identified as muhammad youssef abdulazeez, a naturalized american citizen from kuwait. and this morning, the motive still unclear. our coverage begins with abc's jim avila. >> reporter: bullet holes and shell casings at the military recruiting center where the rampage began. 10:45, a man in a silver ford mustang convertible, the top down, driving into the strip mall. offices here for all four branches of the military. >> he just pulled up, and next thing you know, he lifted up his arms like this with a big, black gun, and just, it was one shot and then it was just endless shots, one after another, just unloading into the army. >> reporter: dozens of shots. one marine hit in the leg. but within seconds, the gunman flees, racing seven miles down the highway to a navy reserve support center.