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 numbering to improve public safety response. Several schools throughout the country resorted to requiring students to wear computer-generated IDs. Schools also adopted a zero tolerance approach to possession of weapons and threatening behavior by students. Despite the effort, several social science experts feel the zero tolerance approach adopted in schools has been implemented too harshly, with unintended consequences creating other problems. Some schools renewed existing anti-bullying policies. Rachel's Challenge was started by Rachel Scott's parents, and lectures schools about bullying and suicide. Police departments reassessed their tactics and now train for Columbine-like situations after criticism over the slow response and