Over the last couple of decades, it is hard to see any particular pattern in the number of police officers who have been murdered in the line of duty, but the pattern for ambush killings, attacks that involved premeditation is a different story. During the years from...
CPRC original research
Information on K-12 School and University Shootings Deaths: The number of deaths has been declining over time
The data below show the changes over time in both deaths from shootings at K-12 through college and also deaths from mass public shootings. This data updates an earlier report that we had put out on deaths from school shootings in June 2014. Shooting deaths at...
UPDATE: CPRC Original Research: All but two of the 25 worst mass public shootings, 60 of the worst 68, occurred outside the United States
Picture of victim being removed from ISIS attack in Tunisia that left 39 people dead LAST UPDATED: Updated on February 14, 2018. Previous November 1, 2017; April 29, 2016 (originally posted on June 28, 2015) (Detailed discussion on Europe and the...
NEW RESEARCH: The impact of illegal aliens on crime rates, data codebook and “do file”
The Crime Prevention Research Center is proud to reveal new research that analyzes unique newly released data on crime rates by illegal aliens. Please download a copy: available here. The data as a STATA file is available here. See also the codebook and the "do...
Concealed handgun permit holders much less likely to drive recklessly than other drivers
Some public health researchers have attempted to link permitted concealed carry to aggressive or reckless driving. Before turning to two of the papers by public health researchers, let’s look at some of the data on driving behavior. Just as handgun permit holders...
Revised our research on police shootings
We have worked hard to revise and expand our research on police shootings. We are proud of this research, and strongly recommend that people download it and read it. The study is available here. Abstract Using a unique new data set on police-involved homicides, we...
“Gun seizures at U.S. airports on record-setting pace,” but 97% of the change explained by increase in permits, Washington Post mentions on our research
Fred Kunkle at the Washington Post has a story about the record number of seizures of guns at airports and is calling for stiffer penalties. . . . The increase in gun seizures is no doubt a reflection of record numbers of air travelers and the rising number of...
New Study: Over 16.3 million concealed handgun permits, last year saw the largest increase ever in number of permits
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. The most recent and past reports can be...
12.3% of Americans sometimes carry handguns, 5.4% of Americans carry most or all the time, & 2.4% carry all the time
One of the big questions about concealed carry is how frequently permit holders carry their guns. At least 6.5% of the adult population has a concealed handgun permit, but with 14 states allowing people to carry without a permit, it is hard to know how many people...
Problems with discretion: Few Concealed Handgun Permits Given to Hispanics, Blacks, or Women in Los Angeles County
In 2013, LA Weekly obtained a list of the 341 concealed carry permit holders in Los Angeles County, California. That is only about 0.0045% of the 7.7 million adults living in the county in 2013. As of January this year, there were only 226 permits, about 0.0029% of...
Cases where people facing death threats have been denied getting concealed handgun permits
Martin Luther King Jr is probably one of the more famous cases where someone who received numerous death threats was denied getting a permitted concealed handgun for protection. Below is a list of similar cases where people who have their lives threatened have been...
Muslims responsible for at least 80% of the worldwide bombings killing at least 4 people during 2014-15
During 2014 and 2015 there were 1,761 bombings in the world that killed at least four people. Of those, 1,401 were by radical Muslims, 58 were non-Muslims, and 302 were unknown. It seems likely that most of those unknown attacks were also by radical Muslims, but...












