American football player
Killed twelve students and one teacher with Dylan Klebold at Columbine High School.
Was the son of Wayne Harris (a U.S. Airforce transport pilot) and Kathy Harris (a caterer).
Moved to Littleton, Colorado from Plattsburgh, New York in July of 1993.
Was scheduled to graduate from Columbine High School on May 23, 1999.
He created the Harris levels for the interactive video game Doom.
Had an older brother named Kevin.
Was fluent in German.