Eric Harris and Dylan Klebold Eric Harris and Dylan Klebold Eric David Harris (April 9, 1981 – April 20, 1999) and Dylan Bennet Klebold (; September 11, 1981 – April 20, 1999) were two American mass murderers who killed 13 people and wounded 24 others armed with firearms, explosives and knives on April 20, 1999, at Columbine High School in Columbine, Colorado. They were twelfth grade (senior) students at the high school. The shooting rampage came to be known as the Columbine High School massacre. Harris and Klebold committed suicide in the library, where they had killed 10 of their victims. Harris was born in
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