In this episode we discuss the Columbine High School massacre which occurred on April 20, 1999 in Columbine, Colorado a highly planned attack, injuring 21 and killing 13. We describe how each of the victims were injured and/or killed including their name, age and where they were when the attack took place. We also include the 911 call from a teacher who was inside the school during the shooting, as well as a small clip from an interview with Diane Sawyer and with one of the shooters mothers.