The online accounts of Solomon Henderson, the 17-year-old who shot himself dead after murdering ... while Rupnow posted about the Columbine school shooting, according to the outlet.

Two weeks into the new year, deadly gun violence in schools hit the headlines again. A 17-year-old student at Antioch High ...

Americans think of mass killings as an American problem and a relatively new one, beginning with the Columbine episode ... 10 people were killed by a mass-shooter. Jeppe Gustafsson/Shutterstock ...

"The Columbine shootings have energized the gun-control debate ... Yet he was unnerved by the televised images of the wounded and dead at Columbine High, then by the sight of small children in his own ...

The Columbine shooting, although not the first-ever mass shooting at a school, gained global attention due to the two suspects documenting their plans and actions in notes and videos among other ...

When two suicidal killers shot Lance outside the high school cafeteria early in a massacre that left 15 dead and 23 wounded, violence crashed into an ... He watched as another buddy, Sean Graves, was ...

In the aftermath of a mass shooting, the shockwaves often extend ... to the immediate aftermath of a high-profile event. The 1999 Columbine High School massacre, perpetrated by Eric Harris and ...

A man has been arrested after a mass shooting at a warehouse in Ohio left one person dead and five others injured late Tuesday night. The situation unfolded shortly before 11 p.m. Tuesday at KDC ...

The shooting occurred at a center for adult education in the city of Orebro. The suspect is believed to be among the dead, officials said. By Christina Anderson and Lynsey Chutel Christina ...