James Densley is in the news as a criminologist analyzing US mass killings, including recent California shooting. He co-founded The Violence Project.
U.S. mass killings declined in 2025, with 17 incidents resulting in at least 81 deaths. Experts caution this may reflect a return to average levels rather than a lasting trend, with firearm involvement remaining high at 82%. The data highlights ongoing concerns about gun violence despite recent decreases.