It was a mass school murder at Columbine High School in Littleton, CO on April 20, 1999 committed by students Eric Harris and Dlyan Klebold. They killed 12 students and a teacher, and wounded 23 more...
It started with the personalities of the perpetrators, Eric Harris and Dylan Klebold. Klebold was a typical underachieving, depressed teen who hated and blamed himself more than he hated or blamed...