The CPRC hired McLaughlin & Associates to survey 1,000 general election voters on August 25th, 2026 (cross tabs available here) regarding general election voters' views on allowing teachers to carry concealed handguns at schools. While voters...
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
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...
Pre-CPRC research
Multiple Victim Public Shootings
Yale University Law School Working Paper, October 19, 2000.
Lott, John R., Jr., Yale University Law School
Landes, William M. University of Chicago Law School; National Bureau of Economic Research (NBER)
University of Chicago Law School, John M. Olin Law & Economics Working Paper No. 73, 1999.
Lott, John R., Jr., University of Chicago Law School
Landes, William M. University of Chicago Law School; National Bureau of Economic Research (NBER)
Safe Storage Gun Laws: Accidental Deaths, Suicides, and Crime
Yale Law School, Law & Economics Working Paper No. 237, 2000.
Lott, John R. University of Maryland Foundation, University of Maryland
Whitley, John E. University of Adelaide – School of Economics
National Instant Criminal Background Check System:
Fact vs. fiction on background checks and the gun control debate
Background checks have “no impact,” “zero” costs on law-abiding?
Tracking use of claim that 40% of gun sales take place without a background check
1968 Misdemeanor Conviction prevents U.S. Navy veteran from getting gun for self protection
One of the problems with background checks for gun purchases
More Problems with Brady Background Checks
The Problem with Brady Background Checks
What to make of the claim that 247 people on the terror watch list bought guns last year
Phantom gun control claims over the holes in the NICS background check system
NICS checks by state by month by year from 1998 to December 2010
Crime in Australia:
New Australian Study Shows More Guns, Less Crime
Gun smuggling in Australia, apparently the criminals are still obtaining guns
Some notes on claims about Australia’s crime rates
Gun permits almost double over last 5 years in New South Wales Australia
Australian gun regulations on murder
Crime in Ireland:
Some examples of the impact of gun bans on murder rates
Even more gun control in Ireland
So were Piers Morgan and Christiane Amanpour dishonest about crime rates last night?
Crime in Jamaica:
Some examples of the impact of gun bans on murder rates
So were Piers Morgan and Christiane Amanpour dishonest about crime rates last night?
Jamaica’s Bloody Lesson on Guns
Figure on Jamaica’s murder rate from the third edition of More Guns, Less Crime
Murder rates in Jamaica through the roof
Crime in Chicago:
Weren’t Chicago murder rates supposed to soar after the Supreme Court Decision?
“Gun Decision Was Product of University of Chicago”
Chicago has most murders of any city in the country
7th Circuit Appeals Court strikes down Chicago ban on gun ranges within the city limits
Chicago’s gang problem, role of cuts and changes in police policies
Alan Gura predicts that crime will drop if gun ownership allowed in Chicago
Chicago makes it even more costly to own a gun
Let’s Face It, Chicago’s Mayor Richard Daley Wants to Ban Guns, All Guns
Crime in Washington, D.C.:
Updating the changes in DC’s crime rates since Heller
Vet loses guns to DC police as he travels through nation’s capital
DC drags feet on correcting false info on DC’s gun laws
Ask Canada — gun registration won’t make D.C. safer
Crime down after Supreme Court overturns city gun bans
DC reluctantly moves to remove some gun control laws
DC’s phony crime closure rates
Where is the ACLU in Chicago and DC gun fee cases?
“Shot down: D.C. residents unable to register handguns”
Just a reminder about DC and Chicago’s crime rate changes after the Supreme Court decisions
NY Times points to Times Square BOMBER as reason for more government regulation of guns?
How difficult is it to get a handgun in DC? Very, very difficult.