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

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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: Data directly from the Federal Police shows a different set of numbers (Original Post below). The number of CAC licenses in Brazil increased from 867,472 in 2022 to 1,026,633 in 2026 (see screenshots below), but those are internal government numbers that links...

So is there really a question of whether Trump reduced crime in DC? Did the Washington Post inaccurately report murder data to make the drop look smaller than it actually is?

So is there really a question of whether Trump reduced crime in DC? Did the Washington Post inaccurately report murder data to make the drop look smaller than it actually is?

The Washington Post doesn't really want to give President Trump credit for the drop in crime in DC. Please look at the graph above and notice that there was a discrete change in August and September 2025 (and the change only started about half way through August on...

If policymakers and advocates are serious about reducing such incidents, the focus needs to shift toward measures that directly address the factors involved.
As is so typical, just hours after the assassination attempt at the White House Correspondents’ Dinner, Democrats were

No, Gun Control Wouldn’t Have Prevented The Latest Trump Assassination Attempt
"just hours after the assassination attempt at the White House Correspondents’ Dinner, Democrats were calling for more gun control."
California where he bought his guns...

#2a

The Washington Post doesn’t really want to give President Trump credit for the drop in crime in DC. Please look at the graph above and notice that there was a discrete change in August and September 2025 (and the change only started about half way through August on the 11th). One

Dr. John Lott has a new op-ed at Real Clear Politics on the claims that the violence is coming from the right.
Violence motivated by political differences has emerged as a defining, if alarming, feature of 21st -century American civil life. Neither side in our nation’s

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Dinner Talk in Phoenix, Arizona on March 27th

Dinner Talk in Phoenix, Arizona on March 27th

Dr. John Lott will be giving a talk and book signing in Glendale, Arizona for a Gun Owners of America (you can sign up for tickets here). Others speakers include Rep. Andy Biggs (who is running for governor), Sheriff Mark Lamb (AZ Congressional Candidate for CD-5),...

Media Appearances

On Dallas’ Mark Davis Show: To Discuss Guns and Crime

On Dallas’ Mark Davis Show: To Discuss Guns and Crime

Dr. John Lott appeared on The Mark Davis Show on 660 AM The Answer in Dallas, TX, to talk about the latest domestic violence–related mass shooting in Shreveport, Louisiana. They also discussed red flag laws and the issuance of commercial driver’s licenses to...

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