Crime Prevention
Research Center

Dedicated to conducting academic quality research on the relationship between laws regulating the ownership or use of guns, crime, and public safety

Latest Research

Massive errors in FBI’s Active Shooting Reports from 2014-2025 regarding cases where civilians stop attacks: Instead of 3.9%, the correct number is at least 36.6%. Excluding gun-free zones, it averaged over 52.9%. In 2025, it was 58.3%.

Massive errors in FBI’s Active Shooting Reports from 2014-2025 regarding cases where civilians stop attacks: Instead of 3.9%, the correct number is at least 36.6%. Excluding gun-free zones, it averaged over 52.9%. In 2025, it was 58.3%.

Data: For convenience, the Excel file is available here, as well as a webpage with the list and links to the underlying news stories (see also here). We also show cases that the FBI missed of both armed and unarmed civilians stopping active shooting...

UPDATED: Should We Deport Illegal Aliens Only After They’re Convicted?: Waiting for a Drug Selling Conviction Can Cost Taxpayers Anywhere from Hundreds of Thousands of Dollars to Over a Half a Million

UPDATED: Should We Deport Illegal Aliens Only After They’re Convicted?: Waiting for a Drug Selling Conviction Can Cost Taxpayers Anywhere from Hundreds of Thousands of Dollars to Over a Half a Million

Take the case of Isaac Melendez-Carranza, an illegal alien from El Salvador, who was recently arrested for allegedly selling fentanyl to students at Park View High School in Loudoun County, Virginia. Investigators linked him to at least two student...

Dr. John Lott talked to Mark Walters on Armed American Radio about his international gun-rights work in Argentina and Australia and how foreign gun laws and crime statistics are used to influence American gun-control debates. They also discussed how, while police play an

Dr. John Lott on a wide range from a violent crime in Michigan to socialism to who are the people don’t like the socialist views on reducing crime. A deep dive into murder victim data is available here and to violent crime data here.
Victory News Monday August 17
#CPRC

Police and fire departments, growing calls among Democrats to “Abolish ICE,” calls by some Democrats to defund the police and abolish prisons, and illegal-immigrant crime. See also Dr. Lott’s piece at The Federalist (“Data Shows Biden Made Communities Less Safe By Forcing DEI On

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Latest Columns

At Townhall: Why We Need the SAVE America Act

At Townhall: Why We Need the SAVE America Act

Dr. John Lott has a new op-ed at Townhall on the push for the SAVE America Act. . Democrats argue that requiring voter photo IDs—even when the ID itself is given away free—creates practical barriers that prevent eligible voters from casting ballots. “We’re all set for...

Videos

Talks

Talk in Argentina: Making People Safer

Talk in Argentina: Making People Safer

Here is the audio and PowerPoint for Dr. John Lott's recent talk in Buenos Aires, Argentina on August 13th. This talk has Lott speaking in English followed by a translator speaking in Spanish. Argentina-Talk-2025-without-videoDownload The video in the presentation is...

Talk in Houston: Gun Control Myths

Talk in Houston: Gun Control Myths

Dr. John Lott gave a talk in Houston on April 17th, 2026 titled "Gun Control Myths." The audio here isn't perfect,, but hopefully between the audio and the PowerPoint the main message will get across. For those interested, there is also the book....

Media Appearances

All Our Posts

CATO Institute Misrepresents U.S. Sentencing Commission Guidelines by Claiming Arrests and Criminal Charges Against Illegal Aliens Don’t Count Toward Their Criminal History and Completely Ignore Why “Rap Sheets” Include Arrests and Charges

CATO Institute Misrepresents U.S. Sentencing Commission Guidelines by Claiming Arrests and Criminal Charges Against Illegal Aliens Don’t Count Toward Their Criminal History and Completely Ignore Why “Rap Sheets” Include Arrests and Charges

Democrats and open borders organizations such as the CATO Institute think that only illegal aliens who have been convicted of crime should be deported, and even many times they don't think that those individuals should be deported. The media often follows this lead...

Massive errors in FBI’s Active Shooting Reports from 2014-2025 regarding cases where civilians stop attacks: Instead of 3.9%, the correct number is at least 36.6%. Excluding gun-free zones, it averaged over 52.9%. In 2025, it was 58.3%.

Massive errors in FBI’s Active Shooting Reports from 2014-2025 regarding cases where civilians stop attacks: Instead of 3.9%, the correct number is at least 36.6%. Excluding gun-free zones, it averaged over 52.9%. In 2025, it was 58.3%.

Data: For convenience, the Excel file is available here, as well as a webpage with the list and links to the underlying news stories (see also here). We also show cases that the FBI missed of both armed and unarmed civilians stopping active shooting...