In 2025, Camden, New Jersey—a city of about 72,000 residents that sits across the Delaware River from Philadelphia—experienced its first homicide-free summer in nearly 50 years. The city ended the year with 12 homicides—a stark drop from 2012 when it recorded 67, a per capita rate 18 times the national average at the time. I’m a professor of criminal justice who wrote a book on police reform efforts in Camden over the last 15 years. The stunning…