via.kdvr.com
Saturday marks 20 years since Columbine shooting
JEFFERSON COUNTY, Colo. -- Saturday marks 20 years since 12 students and one teacher were killed at Columbine High School in Jefferson County on April 20, 1999. Twenty-one people were injured in the shooting. The students killed in the shooting are: Cassie Bernall, 17 Steven Curnow, 14 Corey DePooter, 17