but so far, aurora s police chief says there is no evidence of any additional shooters, and the fbi says there s no indication the incident is tied to any terrorist organization. we ve talked to a lot of witnesses this morning who have designed an absolutely terrifying scene. a man who was at the front right of the theater came in right near the right-hand part of the screen, fired something into the air, and then opened fire on the crowd. according to investigators and our own pete williams, he was heavily armed with at least four weapons on him in addition to the tear gas, he was wearing a gas mask, dressed in all black and appeared to have a bulletproof vest. a lot of questions because according to just about every eyewitness, he came in through an emergency exit. normally, as you know, those exits cannot be opened from the outside. but one eyewitness described seeing a man inside the theater get up, use a cell phone or at least pretend to use a cell phone and then go