The Columbine High School massacre was a mass shooting that occurred on this day in 1999, at Columbine High School in
Columbine, Colorado.The perpetrators, twelfth grade (senior)
students Eric Harris and Dylan Klebold, murdered 12 students
and one teacher and injured 21 additional people trying to escape
the school building. Ten students were killed in the library, where
the pair subsequently committed suicide. At the time, it was the
deadliest shooting at a high school in United States history.
Eric Harris (left) and Dylan Klebold (right) recorded on the high
school’s surveillance cameras in the cafeteria, 11 minutes before
their suicides.