Mandy Cooke was a student during the 1999 shooting at Columbine. Now, she's a teacher there.

Mandy Cooke was a sophomore during the April 20, 1999 shooting at Columbine High School. Twenty years after the shooting, she's now a teacher there.
Published: 5:19 PM MDT April 15, 2019
Updated: 5:19 PM MDT April 15, 2019