Published April 20, 2009, 09:45 AM
It was 10 years ago today when Eric Harris and Dylan Klebold opened fire at Columbine High School near Denver, killing 12 classmates and a teacher.
Wisconsin schools safer after 1999 Columbine school massacre
Wisconsin NewsIt was 10 years ago today when Eric Harris and Dylan Klebold opened fire at Columbine High School near Denver, killing 12 classmates and a teacher.
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