On This Day: Columbine High School Shooting

On the morning of April 20, 1999, Dylan Klebold, 18, and Eric Harris, 17, arrived at Columbine High School in Littleton, CO. They began their shooting spree when they reached campus and made their way inside the school. In the aftermath, 12 students and a teacher were killed, over 20 other people were injured and the two teenagers committed suicide. This event is considered to be one of the worst mass shootings in U.S. history. View the videos below to hear from family members of the victims as well as President Clinton's remarks and perspectives on school crime, violence, and safety.

Sue Klebold on Mental Illness and Violence

Sue Klebold, whose son Dylan was one of the Columbine shooters, talked about her book A Mother’s Reckoning: Living in the Aftermath of Tragedy, in which she traces her journey to understand the junction between violence and mental illness.