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Media Contacts: Emily Gowdey-Backus, director of media relations and Nancy Cicco, assistant director of media relations

At 627, the number of mass shootings in 2023 is nearly double the days in the calendar year.

As the U.S. marks this figure, tallied by , a 51视频 criminal justice professor will examine whether the patchwork of gun prevention laws enacted state to state are actually doing the job.

Known as an extreme risk protection order, or ERPO, these legal documents can be filed against a person who has a license to possess or carry a gun and who poses a risk of physically hurting themselves or others by possessing such a weapon. Colloquially, in Massachusetts, this is also called the .

聽The National Institute of Justice recently School of Criminology and Justice Studies Associate Professor Emily Greene-Colozzi nearly $1 million ($985,776) to study how well such laws prevent the intention or completion of mass public shootings in the United States.

鈥淓RPOs have great potential to impact gun violence, but currently, we lack the systematic data to truly understand the relationship between risk-based legislation like ERPOs and mass shootings,鈥� said Greene-Colozzi. 鈥淚t is our hope that the results of this study will impact public safety and education about ERPOs, mass public shootings, and prevention.鈥�

Her research will utilize open-source data to compare the outcomes of mass public shootings and foiled plots as they are impacted by various contexts and procedures related to ERPOs through the nation. Tracked in this data set will be social media platforms utilized by perpetrators and plotters as well as warning signs, information leaking and other concerning behaviors prior to mass shootings.

鈥淲ith this grant, we will have the opportunity to collect data that helps us not only examine the outcomes of ERPOs, but also understand the 鈥榖lack box鈥� mechanism underlying the relationship: where, when, how, and why ERPOs are effective, or ineffective, and what can be done to maximize the preventative potential of these laws,鈥� said Greene-Colozzi.

Partnering with fellow researchers at the University of South Carolina and SUNY鈥檚 The Rockefeller Institute of Government, Greene-Colozzi鈥檚 research grant will also provide an opportunity for School of Criminology and Justice Studies students to understand first-hand how data interpretation can play a role in saving lives.聽

鈥淭his grant will support the training and assistantship of several students, and hopefully provide multiple opportunities for publications, presentation, and dissemination,鈥� she said.聽

鈥淭his has been a record-breaking year with more than 560 mass public shootings and Emily Greene-Colozzi鈥檚 innovative study and related data resources generated from the project will contribute significantly to our understanding of these incidents,鈥� said Professor April Pattavina, chair of the School of Criminology and Justice Studies. 鈥淭his is an important opportunity for her, and the criminal justice students she plans to hire on the project, to build new and much needed knowledge on an accelerating problem that will be used to inform theory, prevention, and system response strategies in the future.鈥�