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...
Original Research
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...
Amicus Brief for Supreme Court, Viramontes et al v Cook County, on Assault Weapon Bans in Cook County and Connecticut
The Crime Prevention Research Center has worked with the California Peace Officers Research Association and the California Association of Highway Patrolmen on an Amicus brief for the U.S. Supreme Court looking at “Whether the Second and Fourteenth Amendments guarantee...
Argentina is a much more dangerous country than the United States. Total violent crime in Argentina is at least five time higher than the US rate
Comparisons of crime rates across countries often focus on homicides or murders. In 2025, the U.S. murder rate will be about 4 per 100,000 people—roughly 10% higher than Argentina's 2025 homicide rate of 3.6 per 100,000. It looks like the U.S. murder rate for the...
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...
UPDATED: Almost Twice as Many General Election Voters Prefer Arresting Repeat Violent Criminals Compared to Enforcing Current Gun Control Laws or Enacting More Gun Control Laws
The Crime Prevention Research Center commissioned a new McLaughlin & Associates survey of 1,000 American general election voters on July 22nd, 2026 (cross tabs available here). Despite frequent claims that the public supports gun control as a way to reduce crime,...
New Survey on the Rate that People Carry Concealed Handguns: Percent of Americans Carrying Continues to Increase from 24.3% in December 2024 to 29.8% in May 2026 to 30.9% in July 2026
The CPRC hired McLaughlin & Associates to survey 1,000 general election voters on July 22nd, 2026 (cross tabs available here), regarding whether likely voters carry concealed handguns. In the survey, 15.7% carry all/most of the time, with another 15.2%...
Are most people in prison there for crimes motivated by poverty? No, poverty explains just a few percent of the variation in crime rates, and relatively few crimes are related to poverty.
https://www.youtube.com/watch?v=ldlsMfnlQq8 This interview on Fox News Sunday with the co-chair of the Democratic Socialist of America has the claim that most people in prison there for crimes motivated by poverty. Here are some facts: Roughly 58.2% of state prisoners...
A deep dive into murders, who murders whom
We have updated our data on who extremely concentrated murders are in the US. The worst 1% of counties (the worst 31 counties) have 20% of the population and 41% of the murders. The worst 2% of counties (63 counties) contain 30% of the population and 54% of the...
UPDATED: Democrats join dramatically growing calls to ‘Abolish ICE,’ Some Democrats also call for Defunding the Police and Abolishing Prisons. Links to their statements on these issues.
https://www.youtube.com/watch?v=bVv_-jaBnZk Bill Maher: "this new wing with all the energy and it's not just a few people anymore. I read every day I read about a new person in some Colorado and Wisconsin, somebody who is saying some variation of not defund...
Artificial Intelligence Chatbots Remain Liberal on Crime and Policing While Shifting Further Left on Gun Control
Students, reporters, researchers, and social media influencers increasingly rely on AI chatbots to write term papers, news stories, research papers, and online content. Twenty chatbots were available in February 2024, fifteen in August 2024, thirteen in December 2025,...
New Research: Murders in US remain very concentrated in 2024, With the murders in worst 2% of counties remaining at their 2020 peaks
We have continued our reports on how very concentrated murders are in the United States. Our newest report is available here. Abstract The worst 1% of counties (the worst 31 counties) have 20% of the population and 41% of the murders. The worst 2% of counties (63...












