2013-08-09 20:16:20

April 20, 1999-Littleton, Colorado: Security camera footage captures Eric Harris, 18, and Dylan Klebold, 17, as the two go on a shooting spree at Columbine High School. At least 13 were killed and 24 wounded. Harris and Klebold, who also happened to be students at the school, committed suicide at the end of their rampage