States that removed concealed carry permit requirements between 1999 and 2021 saw, on average, a 27 percent increase in gun homicides within three years of the change—the US as a whole saw less than half that increase.
GVPedia, “FACT SHEET: Federally Mandated Concealed Carry Reciprocity,” February 27, 2025, https://armedwithreason.substack.com/p/fact-sheet-federally-mandated-concealed.