Human Rights

Are Mass Shootings Contagious?

It seems like every time we turn around, there is another mass shooting in an unthinkable place. But what if there was a way to predict them?

Are Mass Shootings Contagious?
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"The Day Ahead" spoke with Stanford professor and sociologist Mark Granovetter, who has a unique theory about mass shootings and why these tragedies seem to spread faster than the flu.