Columbine Massacre
- Episode aired Apr 30, 2014
Two troubled students go on a killing spree inside Columbine High School killing 13 people on April 20, 1999.Two troubled students go on a killing spree inside Columbine High School killing 13 people on April 20, 1999.Two troubled students go on a killing spree inside Columbine High School killing 13 people on April 20, 1999.