The high number of mass shootings in the U.S. is best explained by the availability of guns, but here is some of what we do know about the motivations and histories of shooters

The high number of mass shootings in the U.S. is best explained by the availability of guns, but here is some of what we do know about the motivations and histories of shooters https://t.co/2PzwHi7UgP

— The New York Times (@nytimes) February 17, 2018

Source: Twitter