On April 20, 1999, students Eric Harris, 18, and Dylan Klebold, 17, opened fire outside the school killing 12 classmates and a teacher and wounding 26 before killing themselves in the library at Columbine High School in Littleton, Colo.
On April 20, 1999, students Eric Harris, 18, and Dylan Klebold, 17, opened fire outside the school killing 12 classmates and a teacher and wounding 26 before killing themselves in the library at Columbine High School in Littleton, Colo.
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