Updated 7/17/15 at 3:30 pm A gunman opened fire at two military recruiting stations in Chattanooga, Tennessee, on Thursday morning, killing four U.S. Marines before dying in the attack. Three others, including one police officer, were wounded. According to Ed Reinhold, the FBI Special Agent in Charge, the Marines were killed at a recruitment center where the Air Force, Army, Navy, and Marines all share offices.