Dr. John Lott and Professor Carl Moody have new research on the Red Flag Laws/Extreme Risk Protective Orders. A copy of the new research can be obtained here. Abstract Red flag laws had no significant effect on murder, suicide, the number of people killed in mass...
CPRC original research
UPDATED: Correcting Gun Control false claims about “America’s unique gun violence problem” and “How to Reduce Shootings”
UPDATED, originally Posted April 3, 2018: An article at Vox has gained attention for illustrating America's "unique gun violence problem" in 17 maps and charts. A similar New York Times opinion piece by Nicolas Kristof on "How to Reduce Shootings" and another at the...
In the Journal of Health Behavior Research on “Should schools have teachers carry guns?”
Dr. John Lott has a short piece on whether schools should allow teachers to carry guns in Health Behavior Research, a journal of the American Academy of Health Behavior. The paper can be downloaded here. See also related research here. Abstract With 20 states having...
Prison Sentence Lengths for Arizona
Earlier this year we completed a detailed evaluation of 38 years of prison data for Arizona. Abstract In this edition of Prisoners in Arizona we provide an update to the findings of the previous report published in June of 2014. That report covered a wide range of...
New CPRC Research: Mass Public Shootings are much higher in the rest of the world and increasing much more quickly
Executive Summary The U.S. is well below the world average in terms of the number of mass public shootings, and the global increase over time has been much bigger than for the United States. Over the 18 years from 1998 to 2015, our list contains 2,354 attacks and at...
The Racial and Gender Demographics of Mass Public Shooters: Middle Eastern people, Asians, Blacks, and American Indians overrepresented. Hispanics most underrepresented
“the biggest terror threat in this country is white men, most of them radicalized to the right, and we have to start doing something about them.” — CNN’s Don Lemon, October 30, 2018 "I said that the biggest terror threat in this country comes from radicals on the...
Few mass public killers have obvious political or religious reasons for doing their shootings, vehicle attacks, or bombings
“right-wing terrorism has become far more commonplace — and, since 9/11, far more deadly — than Islamist terrorism in America” -- Max Boot, Washington Post, October 28, 2018. "the biggest terror threat in this country is white men, most of them radicalized to the...
New FBI report claims that 8% of active shooter attacks during 2014-17 were stopped or mitigated by concealed handgun permit holders, but misses at least half the cases.
Originally posted on May 31, 2018. With the media giving news coverage to a study based on this politically biased data, it seemed useful to again point out the flaws in the FBI's data. UPDATED DATA: Updating the data over the ten years from 2014 through 2023 shows...
New CPRC Research: How a Botched Study Fooled the World About the U.S. Share of Mass Public Shootings: U.S. Rate is Lower than Global Average
Executive Summary A paper on mass public shootings by Adam Lankford (2016) has received massive national and international media attention, getting coverage in the New York Times, the Wall Street Journal, plus hundreds of other news outlets spanning at least 35...
New Study: 17.25 million concealed handgun permits, biggest increases for women and minorities
The CPRC has just issued our newest annual report on the number of concealed handgun permits in the US. A copy of the report is available for download here. Some updated numbers are shown at the bottom of this post. Past reports can be viewed here. The...
UPDATED: Mass Public Shootings keep occurring in Gun-Free Zones: 94% of attacks since 1950
Updated information on mass public shootings from 1998 through 2024 available here. The rate for 1950 through 2024 is now 92%. UPDATED on July 6th, 2019: Original title: "More misleading information from Bloomberg's Everytown for Gun Safety on guns: 'Analysis of...
What are the religious views of mass public shooters?
From January 1998 to the present, 69 killers have committed 66 mass public shootings in the US. Each of these attacks claimed four or more lives. Of the attackers, four have been identified as Christians, with just three clearly being regular churchgoers. With 70%...










