Evidence concerning the regulation of firearms design, sale, and carrying on fatal mass shootings in the United States

Research We used data from the FBI's Supplemental Homicide Reports and other publicly available databases to calculate state-level annual incidence of fatal mass shootings for 1984-2017. Negative binomial regression models were used to estimate the associations between changes in key gun laws a...

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Bibliographic Details
Authors: Webster, Daniel W. (Author) ; Booty, Marisa (Author) ; Crifasi, Cassandra K. (Author) ; McCourt, Alexander D. (Author) ; Stuart, Elizabeth (Author)
Format: Electronic Article
Language:English
Published: 2020
In: Criminology & public policy
Year: 2020, Volume: 19, Issue: 1, Pages: 171-212
Online Access: Presumably Free Access
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Keywords:
Evaluation
Gun regulation
Mass shooting
Description
Summary:Research We used data from the FBI's Supplemental Homicide Reports and other publicly available databases to calculate state-level annual incidence of fatal mass shootings for 1984-2017. Negative binomial regression models were used to estimate the associations between changes in key gun laws and fatal mass shootings. Handgun purchaser licensing laws and bans of large-capacity magazines (LCMs) were associated with significant reductions in the incidence of fatal mass shootings. Other laws commonly advocated as solutions to mass shootings—comprehensive background checks, assault weapons bans, and de-regulation of civilian concealed carry of firearms—were unrelated to fatal mass shootings. Policy Implications Our findings suggest that laws requiring firearm purchasers to be licensed through a background check process supported by fingerprints and laws banning LCMs are the most effective gun policies for reducing fatal mass shootings.
ISSN:1745-9133
DOI:10.1111/1745-9133.12487