Community Policing

There are some approaches that can reduce crime without worsening community relations, a new analysis finds.

• By Francie Diep

Los Angeles gave America the modern street gang. Groups like the Crips and MS-13 have spread from coast to coast, and even abroad. But on Southern California's streets they have been vanishing. Has L.A. figured out how to stop the epidemic it set loose on the world?

• By Sam Quinones