The suspect dies from a self - inflicted gunshot wound . Police identify him as 15-year - old Samuel Williams . The door was locked , and the room was dark , he said . Police believe incident occurred earlier than previously thought . Duffel bag contained more ammunition for both weapons .
The suspect dies from a self - inflicted gunshot wound . Police identify him as 15-year - old Samuel Williams . Police believe incident occurred earlier than previously thought . Duffel bag contained more ammunition for both weapons .