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# Crime Prevention Research Center: The Crime Prevention Research Center (CPRC) is a research and education organization dedicated to conducting academic quality research on the relationship between laws regulating the ownership or use of guns, crime, and public safety; educating the public on the results of such research; and supporting other organizations, projects, and initiatives that are organized and operated for similar purposes.

## Sitemaps
[XML Sitemap](https://crimeresearch.org/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [On Armed American Radio: To Discuss New Data on Illegal Immigration and Crime](https://crimeresearch.org/2026/01/on-armed-american-radio-to-discuss-new-data-on-illegal-immigration-and-crime/): Dr. John Lott talked to Mark Walters on the Armed American Radio show about crime statistics related to illegal immigration and the impact of Democrat policies on crime rates in major cities. See also Dr. Lott's new op-ed at the New York Post titled "New data reveals the horrific truth about illegal-immigrant crime."
- [On Stinchfield Tonight on Real America’s Voice: To Discuss New Data on Illegal-immigrant Crime](https://crimeresearch.org/2026/01/on-stinchfield-tonight-on-real-americas-voice-to-discuss-new-data-on-illegal-immigrant-crime/): Dr. John Lott Jr. appeared on Stinchfield Tonight on Real America’s Voice to discuss illegal aliens committing more crimes than legal residents and how deportations help lower crime rates. See also Dr. Lott's new op-ed at the New York Post titled "New data reveals the horrific truth about illegal-immigrant crime."
- [On The Statewide Montana Talks Network: The Supposed Benefits of Australia’s Gun Confiscation Rest on Flawed Statistics](https://crimeresearch.org/2026/01/on-the-statewide-montana-talks-network-the-supposed-benefits-of-australias-gun-confiscation-rest-on-flawed-statistics/): Dr. John Lott talked to Aaron Flint on the Montana Talks Network about his new op-ed at The Federalist titled "There’s No Evidence Australia’s Strict Gun Control Laws Are Effective." They also discussed the recent pro-gun legislative efforts.
- [On The Krieger Files by Dave Krieger: To Discuss Mass Shootings, Concealed Carry, and the Myths of Gun Control](https://crimeresearch.org/2026/01/on-the-krieger-files-by-dave-krieger-to-discuss-gun-rights-concealed-carry-and-the-myths-of-gun-control/): Dr. John Lott appeared on The Krieger Files by Dave Krieger to discuss gun rights, gun shootings, and why it may be beneficial to have a concealed carry permit. See also Dr. Lott's op-ed in the Australian Spectator with Kesten Green, a researcher at the University of South Australia, titled "Gun laws and the helpless horror of Bondi" and another piece at The Federalist discussing "The supposed benefits of Australia’s gun confiscation rest on flawed statistics."
- [Defensive Gun Uses By People Legally Carrying Guns: 26 Cases During April 2025](https://crimeresearch.org/2026/01/defensive-gun-uses-by-people-legally-carrying-guns-26-cases-during-april-2025/): Houston, Texas, April 1, 2025 (KHOU 11)
- [Hawaii’s Supporters Falsely Claim that Walmart, Kroger, Walgreens, CVS, Costco, and Target Generally Prohibit Permitted Concealed Carry in Their Stores. These Stores Can Post Signs Banning Guns, But They Don’t—They Don’t Even Ban Carrying Without Permits in Constitutional Carry States](https://crimeresearch.org/2026/01/hawaiis-supporters-falsely-claim-that-walmart-kroger-walgreens-cvs-costco-and-target-generally-prohibit-permitted-concealed-carry-in-their-stores-these-stores-can-post-signs-banning-guns-but/): The behavior of major retailers, who own large swaths of private property open to the public, aligns with these preferences. Some of the country’s biggest chains—including Walmart, Costco, Kroger, Walgreens, CVS, and Target—generally prohibit their customers from carrying firearms inside their stores. . . .
- [The Andrew Branca Show: America RAVAGED by Third-World Migrant Crime! ENOUGH](https://crimeresearch.org/2025/12/the-andrew-branca-show-america-ravaged-by-third-world-migrant-crime-enough/): Dr. John Lott appeared on Andrew Branca's show to discuss a range of issues from his piece in the New York Post on crime by illegal aliens to his writings on gun control in Australia. The Branca show's description of the appearance is here:
- [On Ringside Politics: To Discuss the Bondi Beach Shooting and Gun Control Policies in Australia](https://crimeresearch.org/2025/12/on-ringside-politics-to-discuss-the-bondi-beach-shooting-and-gun-control-policies-in-australia/): Dr. John Lott appeared on Ringside Politics on Real America’s Voice to discuss his new op-ed at The Federalist titled "There’s No Evidence Australia’s Strict Gun Control Laws Are Effective."
- [CPRC in the News: Just the News, MSN, American Thinker, Townhall, Off the Press, The Truth About Guns (2), and more](https://crimeresearch.org/2025/12/cprc-in-the-news-just-the-news-msn-american-thinker-townhall-off-the-pres-the-truth-about-guns-and-more/): "It's not rocket science. You make it risky for criminals to go and commit crime. Kash Patel has moved FBI agents out of the DC offices to around the country where the crime is. He's increased arrests by like 100% there. You know, make it risky for criminals to commit crime. They're going to commit less crime," that, according to economist and expert on guns and crime, John Lott. . . .
- [On Strictly Speaking – Unfiltered with Bob Frantz: To Discuss the Failure of Australia’s Gun Conrol](https://crimeresearch.org/2025/12/on-strictly-speaking-unfiltered-with-bob-frantz-to-discuss-the-failure-of-australias-gun-conrol/): Dr. John Lott appeared on Strictly Speaking: Unfiltered with Bob Frantz to discuss his new op-ed at The Federalist titled "There’s No Evidence Australia’s Strict Gun Control Laws Are Effective." They also discussed the Brown University shooting and Rep. Jasmine Crockett’s claim that white men or white supremacists are responsible for 80% of violent crime.
- [At the New York Post: New data reveals the horrific truth about illegal-immigrant crime](https://crimeresearch.org/2025/12/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 claim that illegals commit a crime at a low rate.
- [On 700 WLW’s The Bill Cunningham Show: To Discuss the Recent Shootings](https://crimeresearch.org/2025/12/on-700-wlws-the-bill-cunningham-show-to-discuss-the-recent-shootings/): Dr. John Lott appeared on 700 WLW’s The Bill Cunningham Show in Cincinnati to discuss the recent shootings and explain why the renewed calls for gun control following such attacks are a bad idea. They also discussed Dr. Lott's new op-ed piece at Real Clear Politics titled "WSJ’s Fearmongering Doesn’t Survive Contact With the Evidence."
- [While Open Borders Advocates Claim that 35% of Illegal Aliens Deported had Criminal Convictions, They Ignore that at least Another 35% had Pending Criminal Charges](https://crimeresearch.org/2025/12/while-open-borders-advocates-claim-that-35-of-illegal-aliens-deported-had-criminal-convictions-they-ignore-that-at-least-another-35-had-pending-criminal-charges/): One point that the debate over deporting illegal aliens often ignores is that authorities frequently deport individuals after they have been arrested and charged with crimes, but before a court has convicted them. Open-borders advocates, including the Cato Institute, have claimed—based on earlier data—that from October 2024 through June 14, 2025, 65% of those detained by U.S. Immigration and Customs Enforcement (ICE) had not been convicted of a crime. That claim overlooks a crucial fact: at least 35% of those arrested had pending criminal charges at the time of their detention.
- [On The Bill Martinez Show: To Discuss Recent Shootings and Media Narratives on Gun Laws](https://crimeresearch.org/2025/12/on-the-bill-martinez-show-to-discuss-recent-shootings-and-media-narratives-on-gun-laws/): Dr. John Lott talked on The Bill Martinez Show about the Bondi Beach attack in Australia and the Brown University shooting. They also discussed Dr. Lott's new op-ed piece at Real Clear Politics titled "WSJ’s Fearmongering Doesn’t Survive Contact With the Evidence."
- [On Breitbart News Daily Podcast: To Discuss the Australia Bondi Beach and Brown University Shootings](https://crimeresearch.org/2025/12/on-breitbart-news-daily-podcast-to-discuss-the-australia-bondi-beach-and-brown-university-shootings/): Dr. John Lott Jr. talked to Mary Walter on Breitbart News Daily Podcast about the recent massacre of Jews at the Bondi Beach in Australia and the deadly shooting at Brown University. See also Dr. Lott's new op-ed at The Federalist ("There’s No Evidence Australia’s Strict Gun Control Laws Are Effective") and his latest op-ed in the Australian Spectator with Kesten Green, a researcher at the University of South Australia ("Gun laws and the helpless horror of Bondi").
- [On The Vicki McKenna Show: To Discuss the Latest Mass Shooting in Australia](https://crimeresearch.org/2025/12/on-the-vicki-mckenna-show-to-discuss-the-latest-mass-shooting-in-australia/): Dr. John Lott talked to Vicki McKenna on her statewide radio show in Wisconsin about the Bondi Beach shooting in Australia and the country’s gun confiscation policies. See also Dr. Lott's op-ed in the Australian Spectator with Kesten Green, a researcher at the University of South Australia, titled "Gun laws and the helpless horror of Bondi" and another piece at The Federalist discussing "The supposed benefits of Australia’s gun confiscation rest on flawed statistics."
- [On Armed American Radio: To Discuss the Failure of Gun Control Measures](https://crimeresearch.org/2025/12/on-armed-american-radio-to-discuss-the-failure-of-gun-control-measures/): Dr. John Lott talked to Mark Walters on the Armed American Radio show about the recent Bondi Beach shooting in Australia and the deadly shooting at Brown University, highlighting the failures of gun control measures and the impact of gun-free zones on public safety. Dr. Lott emphasized the importance of armed citizens in preventing violence and the misleading statistics often used to argue against gun rights. See also Dr. Lott's new op-ed piece at Real Clear Politics titled "WSJ’s Fearmongering Doesn’t Survive Contact With the Evidence."
- [On Stinchfield Tonight on Real America’s Voice: To Discuss the Brown University Shooting](https://crimeresearch.org/2025/12/on-stinchfield-tonight-on-real-americas-voice-to-discuss-the-brown-university-shooting/): Dr. John Lott Jr. appeared on Stinchfield Tonight on Real America’s Voice to discuss school shootings and the deadly shooting at Brown University.
- [Defensive Gun Uses By People Legally Carrying Guns: 26 Cases During March 2025](https://crimeresearch.org/2025/12/defensive-gun-uses-by-people-legally-carrying-guns-26-cases-during-march-2025/): Evansville, Indiana, March 5, 2025 (14 News)
- [On New Orleans’ WGSO-AM: To Discuss Gun-Free Zones and DOJ Lawsuits](https://crimeresearch.org/2025/12/on-new-orleans-wgso-am-to-discuss-gun-free-zones-and-doj-lawsuits/): Dr. John Lott appeared on Ringside Politics on New Orleans’ WGSO to discuss the Bondi Beach shooting in Australia, the Brown University shooting, and the risks associated with gun-free zones. They also talked about Dr. Lott's new op-ed piece at The Federalist titled "DOJ Lawsuits Against Gun Control Policies Especially Protect The Weak."
- [On Oregon KMED’s Bill Meyer Show: She Saved Her Life. 7-Eleven Fired Her](https://crimeresearch.org/2025/12/on-oregon-kmeds-bill-meyer-show-she-saved-her-life-7-eleven-fired-her/): Dr. John Lott talked to Bill Meyer on Oregon’s KMED about his new op-ed at Real Clear Politics on a recent defensive gun use case in which a 7-11 fires a female clerk who chose defending her life over company policy and got fired.
- [CPRC in the News: Instapundit, Just the News, Lars Larson Show, WCBM Radio, Bearing Arms (2), American Liberty, America’s 1st Freedom, and more](https://crimeresearch.org/2025/12/cprc-in-the-news-instapundit-just-the-news-lars-larson-show-wcbm-radio-bearing-arms-2-american-liberty-americas-1st-freedom-and-more/): New data shows that in the state of New York, a self-designated sanctuary state, illegal immigrants make up only 3.38% to 4.15% of the state’s population. Yet, when compared to the number of illegals who are incarcerated, they are overrepresented in prison and jail populations by a factor of roughly 3 to 4 times.
- [CBS’s FBI TV Show Recognizes the Issue of Marginal Deterrence](https://crimeresearch.org/2025/12/cbss-fbi-tv-show-recognizes-the-issue-of-marginal-deterrence/): The Crime Prevention Research Center has often discussed the issue of marginal deterrence. When a mass public shooter has already murdered multiple people and facing multiple death penalties or life sentences, the additional penalty from a the person violating a gun-free zone is essentially no penalty at all. Taking five years from the murderers' fifth or sixth life isn't a penalty. By contrast, five years is a real penalty for an otherwise law-abiding citizen.
- [Nancy Pelosi Claims Politicians Vote Against Gun Control Because of the “Endless Big Money,” It is a Lie](https://crimeresearch.org/2025/12/nancy-pelosi-claims-politicians-vote-against-gun-control-because-of-the-endless-big-money-it-is-a-lie/): USA Today: What's been your biggest disappointment?
- [On the Blaze TV’s Stu Does America: To Discuss How Gun Control Fails Minority Communities ](https://crimeresearch.org/2025/12/on-the-blaze-tvs-stu-does-america-to-discuss-how-gun-control-fails-minority-communities/): Dr. John Lott appeared on Blaze Podcast Network’s Stu Does America to discuss how current gun control policies are failing minority communities who need the protection the most. See also Dr. Lott's new op-ed piece at The Federalist titled "DOJ Lawsuits Against Gun Control Policies Especially Protect The Weak."
- [On The Vicki McKenna Show: To Discuss Criminal Illegal Aliens](https://crimeresearch.org/2025/12/on-the-vicki-mckenna-show-to-discuss-criminal-illegal-aliens/): Dr. John Lott talked to Vicki McKenna on her statewide radio show in Wisconsin about illegal aliens and the crimes they have committed, raising concerns about public safety.
- [On What’s On Your Mind: To Discuss Australian Gun Confiscation and DOJ Shakeup for the Second Amendment](https://crimeresearch.org/2025/12/on-whats-on-your-mind-to-discuss-australian-gun-confiscation-and-doj-shakeup-for-the-second-amendment/): Dr. John Lott Jr. appeared on What’s On Your Mind with Scott Hennen, broadcast across North Dakota, South Dakota, Minnesota, and part of eastern Montana, to provide data-driven insights into the failure of strict gun control in Australia and the positive shift at the Department of Justice under the new administration. See also Dr. Lott's op-ed in the Australian Spectator with Kesten Green, a researcher at the University of South Australia, about the massacre of Jews at Bondi Beach in Australia.
- [Why Senator Schumer and Many Others are Wrong about the Benefits from Australia’s Gun Control Laws](https://crimeresearch.org/2025/12/why-senator-schumer-and-many-others-are-wrong-about-the-benefits-from-australias-gun-control-laws/): Just two days after the mass public shooting in Australia that left 15 murdered and 43 people wounded, Senate Minority Leader Chuck Schumer (D-NY) claimed: 'Australia is no stranger to gun safety legislation. They famously took strong action in the 1990s and saw gun violence plummet." The myth of these supposed benefits from reduced gun violence rests on deeply flawed statistical analysis.
- [At The Federalist: The supposed benefits of Australia’s gun confiscation rest on flawed statistics.](https://crimeresearch.org/2025/12/at-the-federalist-the-supposed-benefits-of-australias-gun-confiscation-rest-on-flawed-statistics/): Dr. John Lott has a new op-ed at The Federalist.
- [On John Solomon Reports: To Discuss Crime Data and Self-Defense Rights](https://crimeresearch.org/2025/12/on-john-solomon-reports-to-discuss-crime-data-and-self-defense-rights/): Dr. John Lott appeared on John Solomon Reports to discuss compelling statistics that reveal a drop in murders and mass shootings, challenging the narratives frequently presented in the media. They also discussed the implications of gun control laws on minority communities and the importance of allowing individuals to protect themselves. 
- [In the Australian Spectator: Gun laws and the helpless horror of Bondi: Would even tougher gun laws have saved lives at Bondi?](https://crimeresearch.org/2025/12/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.
- [On Cincinnati’s Giant 50,000-watt Radio Station WLW: To Discuss Whether Firearms Are the Leading Cause of Death Among Children](https://crimeresearch.org/2025/12/on-cincinnatis-giant-50000-watt-radio-station-wlw-to-discuss-whether-firearms-are-the-leading-cause-of-death-among-children/): Dr. John Lott talked to the guest host Mike Allen on WLW, Cincinnati’s giant 50,000-watt radio station, about his new op-ed at The Federalist titled "Democrats’ Favorite Talking Point About Children And Gun Deaths Is A Lie."
- [Australia Mass Public Shooting: 15 murdered, 40 wounded. Did it take 13 minutes for Police to Arrive on the Crime Scene in Australia?  One survivor says that even then the police didn’t immediately act.  Australia and Brown University are both gun-free zones.](https://crimeresearch.org/2025/12/australia-mass-public-shooting-15-murdered-40-wounded-did-it-take-13-minutes-for-police-to-arrive-on-the-crime-scene-in-australia-one-survivor-says-that-even-then-the-police-didnt-immediately-a/): Yesterday we saw mass shootings in Australia where 15 were murdered and at Brown University where two were murdered. Both occurred in places with strict gun control (the rules for Brown are available here).
- [Investigation Shows that D.C.’S Police Chief Ordered Serious Crimes be Underreported](https://crimeresearch.org/2025/12/d-c-s-police-chief-ordered-serious-crimes-be-underreported/): D.C. has been accused by its police union of manipulating crime data to hide violent crimes. Mayor Bowser claimed the manipulation was limited to just one precinct, but this new report from the House Committee on Oversight and Government Reform shows the problem was occurring across ALL of the district.s precincts. More claims are available here.
- [On NTD Evening News: To Discuss the FBI’s Arrest of the Pipe Bomb Suspect and Their Targeting the “Worst of the Worst”](https://crimeresearch.org/2025/12/on-ntd-evening-news-to-discuss-the-fbis-arrest-of-the-pipe-bomb-suspect-and-their-targeting-the-worst-of-the-worst/): Dr. John Lott appeared on NTD Evening News to discuss the FBI’s arrest of the D.C. pipe-bomb suspect and the bureau’s effort to pursue the “worst of the worst.”
- [At Real Clear Politics: WSJ’s Fearmongering Doesn’t Survive Contact With the Evidence](https://crimeresearch.org/2025/12/at-real-clear-politics-wsjs-fearmongering-doesnt-survive-contact-with-the-evidence/): Dr. John Lott has a new op-ed piece at Real Clear Politics. Also covered at Zero Hedge, Lucianne.com, and JohnLocke.org.
- [CPRC in the News: American Thinker, Ammoland, America’s 1st Freedom, Bearing Arms, and more](https://crimeresearch.org/2025/12/cprc-in-the-news-american-thinker-ammoland-americas-1st-freedom-bearing-arms-and-more/): A new report from the Crime Prevention Research Center (CPRC) on concealed carry in the U.S. reveals that 46.8 percent of Americans now live in “Constitutional Carry” states—there are 29 of them—where no license or permit is required, while Congress is mulling H.R. 38, the Concealed Carry Reciprocity Act, and anti-gunners are in a panic.
- [CBS’s FBI Pushing the Claim that “Second Amendment Purists” are the Real Danger](https://crimeresearch.org/2025/12/cbss-fbi-pushing-the-claim-that-second-amendment-purists-are-the-real-danger/): CBS's FBI pushes the claim that "Second Amendment Purists" are the real danger (FBI S8 E4 November 3, 2025).
- [On Missoula’s KGVO: Discussing a wide range of crime and gun control issues](https://crimeresearch.org/2025/12/on-missoulas-kgvo-discussing-a-wide-range-of-crime-and-gun-control-issues-10/): Dr. John Lott, President of the Crime Prevention Research Center, appeared on the Talk Back program for an hour and a half to discuss a range of topics, including America’s dramatic decline in homicide clearance rates from 1965 to 2024 and his new op-ed at Real Clear Politics titled "She Saved Her Life. 7-Eleven Fired Her." He also answered audience questions related to crime and gun violence.
- [Talk in Brazil 2025 on How to Make People Safer](https://crimeresearch.org/2025/12/talk-in-brazil-2025-on-how-to-make-people-safer/): Sorry, the video is bouncing around a fair amount. While the video here is started at Lott's presentation, you can watch Luciano Lara's talk before Lott.
- [On NTD Newsroom: Trump Crime Crackdown: FBI Redirected Away From Political Activity to Tackle Actual Crime](https://crimeresearch.org/2025/12/on-ntd-newsroom-trump-crime-crackdown-fbi-redirected-away-from-political-activity-to-tackle-actual-crime/): Dr. John Lott appeared on NTD Newsroom to discuss the successes of President Donald Trump’s crime crackdown. The Justice Department describes the 764 network as a "violent extremist" group that originated in Texas in 2021. Authorities say it preys on children and teenagers, coercing them to harm themselves and send explicit pictures. In an exclusive interview with The Epoch Times this week, FBI director Kash Patel said arrests linked to the network are up almost 500 percent this year.
- [At The Federalist: DOJ Lawsuits Against Gun Control Policies Especially Protect The Weak](https://crimeresearch.org/2025/12/at-the-federalist-doj-lawsuits-against-gun-control-policies-especially-protect-the-weak/): Dr. John Lott has a new op-ed piece at The Federalist.
- [Media Bias: How Often Do People Who are Legally Carrying a Concealed Handgun Accidentally Shoot a Bystander? How about the Police?](https://crimeresearch.org/2025/12/media-bias-wall-street-journal-claims-innocent-bystanders-shoot-by-people-legally-carrying-a-concealed-handgun-error-filled-article-provides-no-perspective-on-rate/): Wall Street Journal reporter Mark Maremont continues his attacks on people carrying concealed handguns (this titled "The Innocent Bystanders Caught in Deadly Crossfire of Self-Defense Shootings"). Previously we tried writing letters to the WSJ pointing out legal errors and data problems with an earlier piece he had. Now Maremont has another piece claiming there are four examples from 2022 to now of people legally carry a concealed handgun who accidentally shot a bystander when they fired their guns in self defense. Not only does he fail to provide any perspective for this with 1.67 million Americans using guns defensively each year or that 21 million Americans have a concealed handgun permit, but only two of the four examples actually fit the storyline Maremont is pushing (a case in Massachusetts and another in Michigan). The Ohio case involved an employee with a gun at work so there is no issue of concealed carry. The other case from California doesn't appear to involve someone with a concealed handgun permit. While Maremont's article discusses Constitutional Carry, none of the four cases he discusses involve Constitutional Carry.
- [Concealed Carry Permit Holders Across the United States: 2025](https://crimeresearch.org/2025/12/concealed-carry-permit-holders-across-the-united-states-2025/): A copy of our newest report is available here (please download). Copies of our annual reports from 2014 through 2024 are available here.
- [On Armed American Radio: To Discuss a Self-Defense Incident and Misleading Gun Statistics](https://crimeresearch.org/2025/12/on-armed-american-radio-to-discuss-a-self-defense-incident-and-misleading-gun-statistics/): Dr. John Lott talked to Mark Walters on the Armed American Radio show about the recent incident at a 7-Eleven where an employee defended herself with a firearm, and the media’s misrepresentation of gun violence statistics. See also Dr. Lott's new op-ed at Real Clear Politics ("She Saved Her Life. 7-Eleven Fired Her") and his latest piece at The Federalist ("Democrats’ Favorite Talking Point About Children And Gun Deaths Is A Lie").
- [CBS’ Boston Blue Claiming Parents Should be Responsible for Violence with a Gun Even if Guns are Locked Up](https://crimeresearch.org/2025/12/cbs-boston-blue-claiming-parents-should-be-responsible-for-violence-with-a-gun-even-if-guns-are-locked-up/): Understandably, people want to blame someone in addition to the teenager who murdered three people in this episode of CBS' Boston Blue (Season 1, Episode 5, November 14, 2025). How is it possible that the parents didn't foresee this shooting?
- [On the Lars Larson Show: To Discuss Stockton Mass Shooting](https://crimeresearch.org/2025/12/on-the-lars-larson-show-to-discuss-stockton-mass-shooting/): Dr. John Lott talked to Lars Larson on his national radio show about the recent deadly mass shooting at a toddler's birthday party in Stockton, California. They also discussed new data showing that U.S. mass killings have dropped to a 20-year low in 2025.
- [More Television Police Show Bias: FBI Fighting Criminals Using Machine Guns](https://crimeresearch.org/2025/12/more-television-police-show-bias-fbi-fighting-criminals-using-machine-guns/): Apparently another TV show doesn’t think the strict gun control in the UK or Belgium is working too well. As the Crime Prevention Research Center has pointed out many, many times, television crime shows seem to think criminals are constantly using machine guns to commit crime. In real life, criminals generally use machine guns so rarely that a 2016 survey of prison inmates only broke down the numbers for uses in crime of handguns (11.2%), rifles (0.8%), and shotguns (1.1%). There are few rifles, and the survey did not even mention fully automatic weapons. A similar finding is available from the FBI UCR report where 2.6% of all murders involve rifles of any type and 0.3% of all murders involve unspecified “other guns.” There is a reason for that. Since 1934, there was only one possible known use ever of a civilian using a machine gun in a murder. And even before 1934, they were very rare.
- [The NICS Background Check System has Issued 5.1 Million Denials Since 1998, Only 0.1% were Referred for Prosecution and the Conviction Rate is Less than 0.01%](https://crimeresearch.org/2025/12/the-nics-background-check-system-has-issued-5-1-million-denials-since-1998/): Between 1998 and 2021, there were about 4.8 million denials for gun purchases. There were another 131,865 denials in 2022, 116,587 in 2023, and 110,505 in 2024. The total is about 5.1 million denials.
- [The Universal Background Check in DC is $168, to transfer four guns between the same two people at the same time is $672](https://crimeresearch.org/2025/12/the-universal-background-check-in-dc-is-168-to-transfer-four-guns-between-the-same-two-people-at-the-same-time-is-672/): If you add up the fees for the Federal Firearms Licensee ($120) as well as the fees for the background check charged by the DC police department ($35) and their registration fee ($13), the total cost of a universal background check is $168. Amazingly, even if one person is transferring multiple guns to the same person, there is not one single transfer fee. If four guns are to be transferred, the total cost of the transfer is $672. If someone can provide a benign explanation for that, it would be appreciated.

## Pages
- [Blog](https://crimeresearch.org/blog/)
- [Crime Prevention Research Center](https://crimeresearch.org/)
- [Press Inquiries](https://crimeresearch.org/media-questions/): Scott Griffith, the Vice President of Communications, can be reached at Scott@crimeresearch.org and (704) 775-0487‬.
- [Op-eds](https://crimeresearch.org/op-eds/): We don't update this page that frequently and more recent op-eds are available here.
- [Terms of Service](https://crimeresearch.org/terms-of-service/): By accessing this web site, you are agreeing to be bound by these web site Terms and Conditions of Use, all applicable laws and regulations, and agree that you are responsible for compliance with any applicable local laws. If you do not agree with any of these terms, you are prohibited from using or accessing this site. The materials contained in this web site are protected by applicable copyright and trade mark law.
- [Privacy Policy](https://crimeresearch.org/privacy-policy/): What personal information do we collect from the people that visit our blog, website or app?
- [Donate](https://crimeresearch.org/donate/): The Crime Prevention Research Center is a 501(C)(3) tax-exempt, educational organization. It does not accept donations from gun or ammunition makers or organizations such as the NRA or any other organizations involved in the gun control debate on either side of the issue. Donations can be mailed to us at:
- [Data](https://crimeresearch.org/data/): We request that any publications that come from these data sets cite the paper that originated this data set in their work.
- [CPRC Original Research](https://crimeresearch.org/cprc-original-research/): Multiple Victim Public Shootings
- [Contact/Press Inquiries](https://crimeresearch.org/contact-us/): John Lott, Ph.D., president, can be reached at johnrlott@crimeresearch.org. (484) 802-5383.
- [About](https://crimeresearch.org/about/): The Crime Prevention Research Center (CPRC) is a research and education organization dedicated to conducting academic quality research on the relationship between laws regulating the ownership or use of guns, crime, and public safety; educating the public on the results of such research; and supporting other organizations, projects, and initiatives that are organized and operated for similar purposes. It has 501(C)(3) status, and does not accept donations from gun or ammunition makers or organizations such as the NRA or any other organizations involved in the gun control debate on either side of the issue.  Nor do we accept donations from organizations involved in the debate over illegal immigration.