backup and then move on to the gunman. one hour. video shows a parents pleading with police outside of the school to go in and stop the attack. they were pushed back. we know that after the massacre was finally over, victims were not found in one or two classrooms. they were found in for classrooms. some of the most chilling accounts of what happened in the school are coming from children, like this fourth grade boy who spoke to a cbs affiliate. we have a door in the middle. he opened it. he came in and he crouched a little bit. he said it is time to die. when he shot, it was very loud and it hurt my ear. when i saw the bullets on the floor it was real. you heard that. the shooter told him it is time to die. there is an 11-year-old survivor. they spoke to a cnn producer. the media reports that she s so traumatized she will not speak on camera and would only speak to a woman producer. one of the teachers got an email that there was a shooter in the building. they went to