Here is a copy of the Amicus brief that the Crime Prevention Research Center has submitted in the case of United States v. Rahimi is available here. Abstract If people who are subject to a civil restraining order are dangerous, prohibiting them from possessing...
Original Research
Massive errors in FBI’s Active Shooting Reports from 2014-2022 regarding cases where civilians stop attacks: Instead of 4.6%, the correct number is at least 35.7%. In 2022, it is at least 41.3%. Excluding gun-free zones, it averaged over 63.5%.
Data: For convenience, a PDF of the Excel file is also available here and a webpage with the list and links to the underlying news stories. FBI Active Shooting reports are available here (2000-2013), here (2014-2015), here (2016-2017), here (2018), here (2019), here...
Cases where armed citizens have stopped active shooter incidents
The list of active shooting cases that were averted by people legally carrying guns that were missed in the FBI Active Shooting reports. The FBI's definition of active shootings is narrow: it involves cases where a gun is fired in public and not part of some other...
New Research: Estimating the Effect of Concealed Carry Laws on Murder
Professor Carl Moody, the CPRC's Research Director, and Dr. John Lott, the CPRC's president, have a new study. The paper is available to download here. Abstract In response to our short paper in Academia Letters, Bondy et. al. published much longer response in this...
Is There a Policy That Reduces Mass Public Shooting Deaths?
Dr. Carl Moody, the Crime Prevention Research Center's research director, has published a new paper on stopping mass public shootings. A copy of the paper is available here. Clicking on this link downloads a pdf. . Abstract . The fact that an individual is willing to...
How Asking Gun Control Questions Differently Dramatically Changes the Results: Comparing NPR/PBS versus the Crime Prevention Research Center
A survey in May for NPR/PBS NewsHour by Marist had the headline: “Most Americans say curbing gun violence is more important than gun rights.” The Survey from May 15th through the 18th claimed: “6 in 10 say controlling gun violence is more important than...
UPDATED: Compiling Cases where concealed handgun permit holders have stopped likely mass public shootings
This is a revised, updated version of a post originally written on April 21, 2015. We have most seriously updated this list starting at the beginning of 2020. UCLA Law Professor Eugene Volokh wrote in the Washington Post on April 20, 2015: "Have civilians with...
New Research: Voter Discrepancies Found in the ARIZONA 2022 GENERAL ELECTION
Our newest research paper is available here. Because of our earlier work on this topic, the Ohio legislature on June 30th passed the Data Analysis Transparency Archive bill to ensure that the number of voters who voted can be matched with the number of ballots cast. ....
Real Clear Investigations: Murder, They Spun: Selective Stats Leave Suspicious Fingerprints All Over the Crime Debate
Dr. John R. Lott, Jr. and James Varney have a new piece at Real Clear Investigation. The piece was also republished at Zero Hedge, Black Hill Pioneer (South Dakota), Ohio Press Network, and Rantingly. . As gun violence has spiked across the country, Republicans have...
What is the Percent of Firearm Deaths involving Suicides? 67% over the last five years
We have previously examined this rate from 2011 to 2015, but the above chart updates that data from 2016 to 2020. The FBI only has firearm murder data up through 2020. The average over the last five years is 67%, down slightly from the five-year average from 2011 to...
Looking at the false claim that firearms are the leading cause of death for children or teens
From a Twitter Post on June 17, 2023 Kamala Harris: "The number one cause of death of the children in America is gun violence." As we have previously discussed, a common claim is that firearms are the leading cause of death for "children or adolescents." On June 2nd,...
Fox News: Firearms expert taunts pro-gun control academics with bet on rising crime: Gun ownership increased sixfold under former Brazilian President Bolsonaro, homicides dropped 34%
Fox News has a news article on a bet that Dr. John Lott offered twelve prominent pro-gun control academics. He wrote about this offer in The Federalist and in the piece he deals with the claims made below by a couple of the academics. A gun expert is asking academics...












