12.4 million people now live in economically devastated neighborhoods.
The highly educated tend to live apart in college towns like State College, Pennsylvania, and big cities like Birmingham and Houston.
A federal review has found that officers routinely used unnecessary force against citizens.
How one of the city's biggest success stories went wrong.
Breathtaking shots, captured in the line of duty.
The ascendancy of stats-based policing has made keeping mounted units harder.
One photographer spent 17 years visiting U.S. penitentiaries after dark. Here's what he found.
There are at least seven reported casualties.
A lack of cars makes it harder to hide bad behavior.
You've heard of stop-and-frisk. Now meet stop-and-identify.
Russia has 40,000 police and military staff on the ground for the Olympics. Will it be enough?
Marijuana start-up WeedMaps covers consumers' every need.
Phoenix says it has among veterans. Next it's aiming for the broader homeless population.
Antonio Olmos memorialized the city's often-overlooked tragedies. In the process, he gained a new perspective on violent crime.
Familiarity and social ties influence our decision to intervene on behalf of others.
A group of doctors is trying to convince young Britons that stabbings are serious.
Instead of arresting public drunks, Amsterdam has tasked them with cleaning up a local park. Payment: €10, some rolling tobacco and 5 cans of beer.
Someone shot at a group of officers in broad daylight in Wilmington, Delaware, and no one will speak up.
Earl Sampson, 28, has been stopped 258 times, searched more than 100 times, and jailed 56 times ... in four years.