In recent years, it seems Western Pennsylvania has seen more than its fair share of mass shootings. • LA Fitness in 2009. • Western Psych in 2012. • Wilkinsburg in 2016. • Tree of Life in 2018. • ...

There is no consensus among organizations that track shootings in the U.S. about the definition of "mass shooting" Twenty-one shot dead in Uvalde, Texas. Ten in Buffalo, N.Y. Four in Tulsa, Okla.

There is no universal standard for what constitutes a mass shooting, potentially causing discrepancies in data and research among authorities and experts -- and confusion for the average person. "Some ...

Mourning and outrage have shaken the nation as mass shootings continue to mark some of the latest chapters of a long history of gun violence across the United States. As Americans grapple with these ...

Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you ...

How many people must die in a shooting before it’s termed a ‘mass shooting’? Four people? Two? None at all? One strict definition used in the past by the federal government says at least four victims ...

Wednesday’s massacre in San Bernardino was the latest mass shooting in America. By some counts — including a heavily cited version — it was the 354th of the year. By a narrower definition, it was the ...

A shooting that took place in Midtown Atlanta on Wednesday has sparked a debate on whether it should be labeled as a mass shooting. While the mayor of Atlanta and other Georgia officials are referring ...

A high-profile act of violence occurs, and lots of terms immediately get thrown around. "Terrorism." "Mass shooting." "Mass casualties." What do they all mean? Well, none of these terms or phrases ...

Whatever definition you consider, the instances are too depressingly frequent. From 1966 to 2012, nearly a third of the world’s mass shootings took place in the US. This is according to a study last ...