Can Mass Shootings Be Prevented?

New research examining more than 150,000 pages of police records, court transcripts, and after-action reports found that mass shootings are quite predictable, if you know what to look for.

Last May, Jaclyn Schildkraut, who heads the Regional Gun Violence Research Consortium at the Rockefeller Institute of Government in Upstate New York, was working on a study about preventing mass shootings when she got a text message from a member of the research team. “You’re not going to believe what I just saw on Reddit,” he said, sharing posts from a teenage boy containing a photo of a gun covered in racist epithets, swastikas, and a reference to one of the Columbine killers.

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