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

UPDATED: Despite Lula’s Campaign Promises, the Number of Licensed Firearm Owners in Brazil Increased by at least 18% Between 2022 and 2026, and total guns owned up slightly by 3.3%

UPDATED: Despite Lula’s Campaign Promises, the Number of Licensed Firearm Owners in Brazil Increased by at least 18% Between 2022 and 2026, and total guns owned up slightly by 3.3%

UPDATE August 14, 2026: Include the new graph at the top. So there was a 86% increase in licensed firearm owners from 2017 to 2018. There was another 238% increase from 2018 to 2019. Between the year before Balsonaro took office in 2019 to his last year in office...

Dr. John Lott talked to Vicki McKenna on her statewide radio show in Wisconsin about the recent Idaho In-N-Out mass shooting, during which an armed citizen and an off-duty Idaho State Police trooper confronted the gunman, likely preventing additional casualties. They also

CPRC in the News: San Francisco Weekly, The Washington Stand, Open to Debate, Bearing Arms, Ammoland, Reason, and more.
#CPRC #Crimepreventionresearchcenter
https://crimeresearch.org/2026/08/cprc-in-the-news-san-francisco-weekly-the-washington-stand-open-to-debate-bearing-arms-ammoland-reason-and-more/

Dr. John Lott talked to Kerby Anderson on his national radio show, Point of View, about the SAVE Act and the Second Amendment. See also Dr. Lott’s new op-ed at Townhall titled “Why We Need the SAVE America Act.
#CPRC #Crimepreventionresearchcenter
”https://crimeresearch.org/2026/08/on-point-of-view-to-discuss-the-save-america-act/

Andrew Walworth, Tom Bevan, and Sean Trende discussed Dr. Lott’s new piece at RealClearPolitics on the Megyn Kelly Channel on SiriusXM. Here is the link to the piece: “Krugman and the Politics of Falling Crime.
#CPRC #Crimepreventionresearchcenter
”https://crimeresearch.org/2026/08/our-new-piece-on-falling-crime-mentioned-on-the-megyn-kelly-channel-on-siriusxm/

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

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

On the Lars Larson Show: To Discuss America’s Murder Problem

On the Lars Larson Show: To Discuss America’s Murder Problem

Dr. John Lott talked to Lars Larson on his national radio show about our new research on murder and how murders are concentrated in a relatively small number of places across the United States. See also Dr. Lott's new op-ed at Real Clear Politics titled "America’s...

All Our Posts