May 13 - An FBI agent investigating the Columbine High School shooting whose son helped produce a video parody ... understand that it was a comedy . . . that makes fun of violence in movies and on TV, ...

a support group founded by other Columbine survivors following a 2012 shooting in which a gunman killed 12 people at a movie ...

It has been nearly 20 years since the first mass school shooting in the U.S. -- the shocking tragedy at Columbine High School in Littleton, Colorado, on April 20, 1999. As a “credible” threat ...

Mauser, who became a gun safety advocate after the shooting, urged the crowd of about 150 people gathered at a church across from the state Capitol never to forget the victims of Columbine and to ...