UPDATED (original post on July 19th): Errors in Associated Press article titled "Rare in US for an active shooter to be stopped by bystander." It isn't common for mass shootings to be stopped in such fashion. From 2000 to 2021, fewer than 3% of 433 active attacks in...
Original Research
Comments on the latest Donohue paper: “More Guns, More Unintended Consequences”
Professor Carl Moody and Dr. John Lott have written up some comments on the latest Donohue et al. paper on concealed carry. For some perspective, you can see the academic literature on the issue here and the Amicus brief that we filed with a literature survey here....
Breaking down Mass Public Shooting data from 1998 through May 2022: Info on weapons used; gun-free zones; racial, age, and gender demographics
The Excel file with detailed information on the 88 mass public shootings from 1998 through May 15, 2022 is available here. With all the discussion about having another assault weapon ban, only 14% of mass public shootings are done solely with any type of rifle....
Biden on Assault weapons
When we passed the assault weapons ban, mass shootings went down. When the law expired, mass shootings tripled. -- Joe Biden, Tuesday, May 24, 2022. Transcript of Biden's Speech Tuesday night about the shooting at Robb Elementary School in Uvalde, Texas There was no...
Another School Shooting in a Place where teachers and staff were banned from carrying guns: Robb Elementary School in the Uvalde, Texas CISD
A shooting at a Texas elementary school left 14 children and one teacher murdered. While about 30% of school districts in Texas 2020 had armed teachers and staff, unfortunately, the Robb Elementary School in the Uvalde, Texas CISD doesn't appear to be one of...
At Real Clear Politics: When Misinformation Drives Bad Policy
The CPRC commissioned a survey by Real Clear Politics. Dr. John Lott wrote a new piece at Real Clear Politics on the survey evidence. To President Biden, public health researchers, and the media, violent crime is all about guns. But a new survey finds that people are...
Our Research at Real Clear Investigations: LA’s Crime Surge Migrates to Wealthy, Whiter Zip Codes of Boldface Names
We decided to measure exactly how the locations of crime have been changing in a city such as Los Angeles. It is surely something people have felt was happening, but it seemed useful to actually measure the size of the change. We teamed up with James Varney at Real...
Simple tests for the extent of vote fraud with absentee and provisional ballots in the 2020 US presidential election
Dr. John Lott's research on vote fraud can be downloaded and read here. The data and the "do files" for STATA allow people to replicate and check all the results are available in these links. STATA data filesDo file for all the tables and other regressions.The data...
Published Research: Do Right to Carry Laws Still Reduce Violent Crime?
The CPRC has some new research published in Academia Letters. The research finds statistically significant reductions in murder from the adoption of Constitutional Carry laws (see Table 3). ConclusionLate adopting states issue fewer permits than early adopting states,...
Responding to GVPedia’s False Claims about Constitutional Carry Laws
Professor Carl Moody and Dr. John Lott have put together a response that Devin Hughes' GVPedia has put together attacking research that Professor Moody did on the impact of Constitutional Carry laws and other writing by Lott. A copy of Hughes' latest claims is...
Changes in Crime and Killings of Police After Constitutional Carry Adopted
We have previously provided empirical work on the impact of Constitutional Carry Laws (download the paper here, and see particularly Table 3), but sometimes simple graphs that show the year-by-year changes are more convincing. With Alabama, Georgia, Florida, Indiana,...
Our Research on “Do White Police Officers Unfairly Target Black Suspects?” published in the journal Economics, Law, and Policy
People can download a copy of our research at the journal available here and at SSRN here. Abstract Using a unique data set we link the race of police officers who kill suspects with the race of those who are killed across the United States. We have data on a total of...











