An act of terror and they're looking into witness reports. the attacker mentioned syria during his arrest. >> told me as soon as i got there, this guy split the other guy's throat, see a guy huddled on the florida behind the barrieres and a guy brandishing the knife. it was a small blade, about 3 inches long and he's screaming, go on and run, run, when i got back to the station. then they took him out of the station and as they walked him past everyone, he's within an arm's reach of me, i just hear him say this is for syria. >> now, the one small silver lining here is that the attack with one ...