Series: Columbine Then & Now

We explore what's changed and what has stayed the same about gun violence in schools over the past two decades.

For generations, many activists who have called for stricter gun regulations can point to a mass shooting that spurred them to act. Movements sprung from…

It looks a lot like any other high school: blue lockers, fluorescent overhead lights, kids carrying musical instruments and gym bags.But Columbine High…

Evan Todd still has sharp memories of April 20, 1999. As a sophomore at Columbine High School, he was in the library with his friends on that cool, sunny…