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 Up to >$600K. Even if all illegals who have been charged but not convicted face this type of crime, the total legal costs would be up to $149 Billion

UPDATED: Should We Deport Illegal Aliens Only After They’re Convicted?: Waiting for a Drug Selling Conviction Can Cost Taxpayers Up to >$600K. Even if all illegals who have been charged but not convicted face this type of crime, the total legal costs would be up to $149 Billion

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 appeared on The Dave Elswick Show in Little Rock, Arkansas, to discuss his new op-eds at Townhall (“The Trump Administration Restores the Gun-Defense Data the Biden CDC Buried“) and Real Clear Politics (“Supreme Court Just Gave Mail-In Ballot Safeguards a Chance“).

Hollywood portrays civilian gun owners as fools, more likely to do harm than good.

The FBI confirms defensive gun use is rare.

But researcher @JohnRLottJr says the FBI data is wrong, that civilians SAVE lives all the time.

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

The Latest Research

Get our latest research on crime sent straight to you. Find out what law enforcement and gun ownership policies will make people safer

Latest Columns

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