How Columbine became a blueprint for school shooters
- Written by Jillian Peterson, Professor of Criminal Justice, Hamline University
Students leave Columbine High School late April 16, 2019, in Littleton, Colo., following a lockdown at the school and other Denver area schools.David Zalubowski/APWhen 12 students and one teacher were killed in Littleton, Colorado 20 years ago, it not only became what at the time was the worst high school shooting in U.S. history. It also marked...
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