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Douglas High School shooting - New surveillance videos of the scene

Douglas High School shooting - Valdes' bodycam footage

Douglas High School shooting - Lacerra's bodycam video of the shooter's arrest

Reynolds High School shooting - Surveillance Video + Police Audio

Douglas High School shooting - David Hogg's video

Newtown massacre: A timeline of events

Adam Lanza - The Sandy Hook Elementary School Shooting

Tragedy at Sandy Hook Elementary School: What Happened During Newtown, Connecticut Shooting?

Bowling for Columbine (2002) - Marilyn Manson Talks About Fear Scene (7/11) | Movieclips

Marilyn Manson: I've Been Blamed For 36 School Shootings | Larry King Now