Missy Mendo and Amy Over, who both survived the 1999 Columbine High School shooting, are opening up to PEOPLE about their ...

Missy Mendo, who was 14 at the time of the 1999 Columbine shooting, tells PEOPLE she "had no clue what it was like to have a normal high school experience" Helen H. Richardson/The Denver Post via ...

14-year-old Missy Mendo slept between her parents in bed, still wearing the shoes she had on when she fled her math class. She wanted to be ready to run. Twenty-five years later, and with Mendo ...

A quarter of a century after the Columbine High School shooting, the trauma from the attack has remained with survivors.