Frank DeAngelis has become a resource for survivors of mass shootings across the world in the last 22 years.

Within days of the Columbine High School shooting, University of Colorado band students wanted to help and organized a commission for a new piece of music for the high school band. The piece, “American Elegy,” by composer Frank Ticheli, premiered a year after the shooting. Since then it’s been performed over 10,000 times.

Twenty years after the Columbine shootings, former president Bill Clinton reflects on his role in consoling the nation after the attack and how he and other presidents have played the role of "consoler-in-chief" after national tragedies.

Within days of the Columbine High School shooting, University of Colorado band students wanted to help and organized a commission for a new piece of music for the high school band. The piece, “American Elegy,” by composer Frank Ticheli, premiered a year after the shooting. Since then it’s been performed over 10,000 times.

Former President Bill Clinton talks about his role in consoling the nation after the shootings 20 years ago, and insight from historians Doris Kearns Goodwin and Barbara Perry about how other U.S. presidents have also played the role of "consoler-in-chief" after national tragedies.

Former President Bill Clinton talks about his role in consoling the nation after the shootings 20 years ago, and insight from historians Doris Kearns Goodwin and Barbara Perry about how other U.S. presidents have also played the role of "consoler-in-chief" after national tragedies.

Sherrie described to me what was happening to her just then, in the grocery store aisle: “My fingers will turn white, and you’ll see the blood leaving them.”

Survivors of the Columbine massacre didn’t know at the time that there would be so many other shootings that followed: Virginia Tech, Sandy Hook, Navy Yard, and more. Initiated by a group of Columbine alumni, survivors of each shooting are now banded together, in a new kind of family that works together to re-learn how to live.

Survivors of the Columbine massacre didn’t know at the time that there would be so many other shootings that followed: Virginia Tech, Sandy Hook, Navy Yard, and more. Initiated by a group of Columbine alumni, survivors of each shooting are now banded together, in a new kind of family that works together to re-learn how to live.

Lockdown drills have become prolific since the Columbine High School Shooting, but they can traumatize students, even though there’s no real attack. Is it worth it, given that researchers don’t even know if drills are effective?