Columbine High School massacre Columbine High School massacre The Columbine High School massacre was a school shooting that occurred on April 20, 1999, at Columbine High School in Columbine, an unincorporated area of Jefferson County (Jeffco), Colorado, United States, near Littleton in the Denver metropolitan area. The perpetrators, twelfth grade (senior) students Eric Harris and Dylan Klebold, murdered 12 students and one teacher. Ten students were murdered in the library, where the pair subsequently committed suicide. At the time, it was the deadliest school shooting ever. The crime has inspired several copycats, and "Columbine" has become a euphemism for a school shooting. They injured
Columbine High School massacre film's acronym, NBK, as a code for the massacre. In February 1998, Klebold envisioned a massacre with a girl like in the film, writing "Soon...either ill commit suicide, or I'll get w. [redacted girl's name] & it will be NBK for us." In April 1998, Harris wrote "When I go NBK and people say things like "oh it was tragic" or "oh he is crazy!" or "It was so bloody." I think, so the fuck what you think that's a bad thing?" In Harris's yearbook Klebold wrote "the holy April morning of NBK". Around February 1999, he wrote "maybe going