The law raised the minimum age to purchase rifles and other long guns from 18 to 21, and the NRA challenged it. Some GOP ...

The group defined “mass shooting” as a gun-related crime where four or more people were shot in a public space. The post One ...

About 1 in 15 U.S. adults has been on scene at a mass shooting, a new University of Colorado Boulder study published in JAMA ...

Louis McGlothlin, 73, who shot three people inside an Indiana laundromat before turning the gun on himself, believed his old ...

What had happened in Annapolis was historic…,” Tom Marquardt says. “It was the worst and only mass murder at a city newspaper ...

Researchers say the findings lend credence to the idea of a ‘mass shooting generation’ with experiences that are separate from older generations ...

Even some large mass shootings include the killing of a family member in private the same day. The Sandy Hook shooter, for instance, killed his mother in her bedroom before driving to the school ...

1 In 15 Americans Have Survived A Mass Shooting, Survey Says By Dennis ... “We are talking about one out of every 15 people in the United States,” Pyrooz added. “These are really high ...

A new study published in the journal JAMA Network Open shows that 7% of U.S. adults have been present at a mass shooting in their lifetime, and more than 2% have been injured.

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Some researchers say these recent attacks are examples of "nonideological" terrorism — the result of several antisocial, decentralized, online networks coming together.

The bill would require school districts and law enforcement to meet once a year to plan their response to an active shooter ...