Apart from a brief sighting on security video from outside the school ... walking down the corridor at 12:08 p.m. and pushing through the double doors as he leaves. He fails to properly shut ...

captured the suspect entering the main school building unabated by blasting through two sets of glass double doors and stalking the halls before killing six people, including three children.

Police released surveillance video late Monday night, hours after a former student who shot through the doors of a Christian ... shooter roaming through a school corridor holding a gun with ...