A widely cited February 2024 report by Politifact claimed: "No evidence of rising LGBTQ+ violent extremism or 'trans terrorism." A follow report by Politifact in September 2025 examined both the FBI's definition of active shooting attacks and the notion of mass...
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 Detailed Information on Mass Public Shootings from 1998 to 2025
Many graphs using the data are shown at the end of the post. Each time a public shooting draws national attention, particularly at places such as schools or churches, politicians and the media often respond by citing figures that claim the United States suffers...
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 Real Clear Politics: Virtually All Countries Support Voter Photo ID – So Why the Filibuster?
Dr. John Lott has a new op-ed on the upcoming push to pass the SAVE Act. . “The bottom line is this: voter ID is not controversial in this country,” Harry Enten, the chief data analyst for CNN, recently reported. Nor is it controversial in virtually any other...
At Real Clear Politics: Democrats Using Shutdown Threat To Rewrite Immigration Enforcement
Dr. John Lott has a new op-ed at Real Clear Politics on the demands the Democrats have or they will shutdown the government again. . Another government shutdown looks increasingly likely by the end of the week. Democrats are demanding that major changes to Department...
At the New York Post: How Trump’s ICE enforcement record blows Obama’s out of the water— by a lot
Dr. John Lott has a new piece at the New York Post evaluating the media's claims about Trump's immigration enforcement during 2025. It is important to recognize that these numbers are strongly biased in favor of making the Obama administration immigration enforcement...
At the Wall Street Journal: Hawaii Tries to Evade the Second Amendment
Dr. John Lott has a new piece at the Wall Street Journal. . Blue-state gun laws are back before the Supreme Court. The justices barred states in 2022 from requiring concealed-handgun permit applicants to demonstrate a need for the license. Rather than comply with...
Spectator Australia: Australians more likely to be victims of violent crime than Americans
Dr. John Lott and CPRC senior fellow Kesten Green, who is also a researcher at the Adelaide University, College of Business and Law, have a new op-ed piece in the Spectator Australia. More information on this issue is provided in our post here. An additional reason...
At the New York Post: New data reveals the horrific truth about illegal-immigrant crime
Dr. John Lott has a new op-ed at the New York Post. ChatGPT and Grok's evaluations of the accuracy of the article are attached at the end. A comparison is also provided for the Texas and American Community Survey (ACS) data that is often used by those who want to...
At The Federalist: The supposed benefits of Australia’s gun confiscation rest on flawed statistics.
Dr. John Lott has a new op-ed at The Federalist. The graphs for the changes in firearm and total homicides as well as for firearm and total suicides are provided at the end of this piece. . Democrats in the United States repeatedly praise Australia’s 1996 gun...
In the Australian Spectator: Gun laws and the helpless horror of Bondi: Would even tougher gun laws have saved lives at Bondi?
Dr. John Lott has an op-ed in the Australian Spectator with Kesten Green, a researcher at the University of South Australia, about the massacre of Jews at the Bondi beach in Australia. The piece appeared in Australia on December 16th, 2025. . Australia already has...
Videos
Talks
Talk to an Election Integrity Event in DC
General Michael Flynn organized a talk that I gave on voting rules in other countries and some academic research that I have done on voting. The PowerPoint below will help you follow along with the talk. A copy of the PowerPoint is available here. Vote Fraud Mail-in...
Talking to Australian University Students about crime rates, mass public shootings, and gun control
https://www.youtube.com/watch?v=FrBA2eIYdws Dr. John Lott addressed university students from the University of New South Wales, Australian National University, and other local colleges in New South Wales during his visit to Australia on February 8th, 2026. The...
Talk at Australia National University: Do Armed Civilians Stop Active Shooters More Effectively Than Uniformed Police?
Dr. John Lott will be giving a talk at Australia National University on Monday, February 9th from noon to 1 PM AEDT. Tickets to the talk are available here. . The FBI tracks active shooting cases-where individuals attempt to kill people in public places, excluding...
Media Appearances
On Armed American Radio: To Discuss Trump’s Immigration Enforcement and Democrats’ Shutdown Demands
Dr. John Lott talked to Mark Walters on the Armed American Radio show about the media’s claims regarding Trump’s immigration enforcement and Democrats’ demands as they threaten another government shutdown. See also Dr. Lott's new piece at the New York Post ("How...
On the Lars Larson Show: To Discuss the Supreme Court’s Review of Hawaii’s Gun Law
Dr. John Lott appeared on the Lars Larson Show at SHOT Show 2026 to discuss his new piece at the Wall Street Journal titled "Hawaii Tries to Evade the Second Amendment." (Wednesday, January 21, 2026)
On Bolling! on Real America’s Voice: To Discuss the Minneapolis SIG and the “Carry at a Protest” Debate
https://youtu.be/_BUIGMJpiE4?si=3Pihhwe1zkKdraAY Dr. John Lott talked to Eric Bolling on Real America’s Voice about a SIG P320-style firearm seen in footage from a Minneapolis incident and the broader constitutional debate it ignited over whether possessing First or...
All Our Posts
Americans are very concerned about violent crime, think that it is getting worse, don’t think deporting illegal alien criminals helps, and trust Republicans more than Democrats to reduce crime
Because Democrats are reluctant to catch and punish criminals, it is no surprise that a new Rasmussen Reports survey finds Americans trust Republicans more on crime—though the 5-percentage-point gap remains modest. Even as murder rates fell last year to historic...
CPRC in the News: New York Post, The New York Sun, The Daily Signal, Townhall, World Net Daily, and more
In 2025, ICE arrested and deported approximately 600,000 illegal immigrants — most of whom, as former Department of Justice official and scholar John Lott has pointed out, were detained with administrative warrants issued by immigration judges under DOJ or the...
John Ruddick, member of the New South Wales Legislative Council, gives a Speech citing Dr. John Lott’s Research
https://www.youtube.com/watch?v=mNhVkoNb820 John Ruddick is an Australian politician, a member of the New South Wales Legislative Council. After Dr. John Lott's presentation to members the previous night, Ruddick recounted Lott's discussion on the floor of the...
















