>> a fox news lart. terror in tennessee. four marines murdered in cold blood after a loan gunman targets two military installations. >> all i heard was two shots. then more shots boom boom boom. when he backed up he put another 10-20 in the window. >> the suspect is also dead. he was not on the fbi's radar ligs until it was too late. we are learning his family had possible terror ties. >> bulletings flying in gun free zones leaving the victims unable to fight back. we have team coverage. ainsley earhardt is on the ground and jackie ibanez.