Sandy Hook Elementary shooting: What happened? Before events at the school At some point before he went to the school, investigators believe Adam Lanza, 20, killed his mother, Nancy Lanza. He grabbed three guns from the house -- a semi-automatic AR-15 assault rifle made by Bushmaster and pistols made by Glock and Sig Sauer -- and went to the elementary school wearing black fatigues and a military vest, according to a law enforcement official.
The above weapons are similar to the ones found with the suspect: A Bushmaster rifle, a Glock handgun, and a Sig-Sauer handgun. Classes were under way at the school. Approximately 700 students were present. Earlier this year, the school principal, Dawn Lafferty Hochsprung, ordered a new security system installed that required visitors to be visibly identified and buzzed in. As part of the security system, the school locked its doors each day at 9:30 a.m. The door was locked when the gunman arrived. A graphic depicting the site of the shooting. Inside the school Hochsprung heard loud pops. Teacher talks armed student into giving up, police say. Authorities say teacher Ryan Heber helped talk the gunman into handing over his weapon. NEW: Teacher rejects the label "hero"A well-liked science teacher persuades a student to give up his shotgunAlso, a campus supervisor distracted the teen while other students escaped, police sayTaft, California, high school classes are canceled Friday as students receive counseling (CNN) -- The teacher stood in the classroom, face-to-face with his 16-year-old student, who was holding a shotgun.
Ryan Heber, 40, talked to the teen, trying to persuade him to end an armed assault in which one student had already been shot. Heber had no idea whether the student -- whose pockets were filled with ammunition -- would put the gun down or pull the trigger. Campus supervisor Kim Fields helped distract the teen, allowing other students in the classroom to escape, while Heber talked to him, according to CNN affiliate KGET. Eventually, the teen let go of the gun, and police took him into custody.
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