it was because of his time in the military. that s what it sounded like. the street behind me frozen in time, you can still see the chairs strewn about, the beach chairs where people were lined up for this moment of celebration for july 4th, left where they were, as people fled the scene in terror. the rifle, a rifle was discovered soon after the shooting on the rooftop. we have some new information about that rifle, which we ll bring to you in just a moment. the shooter himself, who the police are calling a person of interest to be clear, that s what i should call him, they obtained or apprehended a person of interest eight hours after the shooting, after a short chase. one policeman saw the suspect and then called for backup, he was apprehended, taken into custody on the street. one of our reporters was there, you ll hear from him in just a