Generally the FBI labels a mass shooting as an incident where 3 or more people are killed by an individual in a public area. The US is the only country that has more than one mass shooting per year since 2011, and we've had a mass shooting every year since 1986.
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Coelurosaur
Sep 05, 2018 at 05:11AM EDT in reply to
MIMU
Sep 05, 2018 at 07:01PM EDT