New FBI data confirms previous indications that crime in the U.S. declined significantly in 2023, continuing a post-pandemic trend and belying widespread perceptions that crime is rising. The new fourth-quarter numbers showed a 13% decline in murder in 2023 from 2022, a 6% decline in reported violent crime and a 4% decline in reported property crime. That’s based on data from around 13,000 law enforcement agencies, policing about 82% of the U.S. population, that provided the FBI with quarterly data through December. “It suggests that when we get the final data in October, we will have seen likely the largest...