Mass Shootings: Definitions and Trends

by Rosanna Smart

Jan 1, 2018

There is no standard definition of what constitutes a mass shooting. Media outlets, academic researchers, and law enforcement agencies frequently use different definitions when discussing mass shootings, leading to different assessments of how frequently mass shootings occur and whether they are more common now than they were a decade or two ago. 

Mass Shootings: Definitions and Trends
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