Student: 'All I saw was the flash of shooting'

Jillian Martinez, a Northern Illinois University freshman from Carpentersville, said she was sitting at the back of the Cole Hall auditorium in an ocean science class when the gunman entered the room about 3 p.m.."There's this door in the lecture hall nobody ever goes through," at the front right side of the hall near the lecturer's podium, Martinez said. "I remember seeing it open, and thought it was weird that somebody had opened the door. All of a sudden, there was someone standing there.""All I saw was the flash of shooting," she continued. "He pulled out his gun. He just started shooting at all the kids. He just started shooting at people, and I ran out of there as fast as I...