• Description

This report calculates state‐level annual incidence of fatal mass shootings from 1984–2017. The analysis suggests that laws requiring firearm purchasers to be licensed through a background check process supported by fingerprints and laws banning large‐capacity magazines are the most effective gun policies for reducing fatal mass shootings.

Evidence Concerning the Regulation of Firearms Design, Sale, and Carrying on Fatal Mass Shootings in the United States