How to Prevent School Shootings

It's been 20 years since the Columbine High School shooting, and schools today are no safer. Based on two years of research into the life histories of over 150 mass shooters, Dr. Jillian Peterson explains in a TED Talk why our current school safety strategies like lock down drills and security have failed, and uses data to suggest new strategies to prevent mass shootings.

Watch TED Talk on How to Prevent School Shootings

Learn more about the Violence Project