There is confusion as to what constitutes a mass shooting.

Criteria - all of the following:

(1) death of 4 or more people, excluding the perpetuator

(2) the deathsare due to a firearm

(3) the deaths occurred within a short period of time in a public place

(4) does not meet an exclusion



(1) terrorist act

(2) familicide

(3) gang-related


Points of confusion:

(1) mass killing using method(s) other than a firearm

(2) referring to mass shooting with people shot vs mass killing (mass murder) with people killed

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