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 the video seemed a kind of dress rehearsal, showing them walking the halls of the school, and shooting bullies outside with fake guns. On October 21, 2003, a video was released showing the pair doing target practice on March 6, 1999, in nearby foothills known as Rampart Range, with the weapons they would use in the massacre. Also shooting with them is Mark Manes and Phil Duran, older men who helped supply one of the guns, and Manes's girlfriend. Harris and Klebold also kept five video tapes shot with school video equipment that documented their weapons, as well as their