Over 600,000 people have been booked into ICE detention centers between January 20th, 2025 and July 31, 2026. At the same time, there have been about 170,000 border apprehensions (155,000 at the southwest-border and another 15,000 nationwide). So with eight dead, that...
We have previously examined how heavily murders concentrate in the United States, but this is our first analysis of firearm homicide concentration. The first two graphs show that the worst 2% to 5% of counties account for a share of firearm murders about four...
Gun control advocates have condemned the Justice Department’s decision to stop criminally enforcing the nearly 60-year-old federal ban on licensed dealers selling handguns to law-abiding 18-, 19-, and 20-year-olds. Saying it will cause the loss of life. “That’s...
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...
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...
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...
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...
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...
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...
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.