WATCH: Columbine Killer’s Mother Sue Klebold Comes Forward
(ABC News) — On April 20, 1999, Dylan Klebold and Eric Harris walked into Columbine High School, carrying weapons and homemade bombs, and began slaughtering their classmates. They killed 12 of their fellow students and a teacher, and wounded 24 more people before turning the guns on themselves. The Columbine massacre not only shocked the community of Littleton, Colorado, but…
