Trevell Coleman wasn’t sure whether he’d killed a man. But after 17 years, he needed to find out.

Life inside Long Island’s largest cluster of sex offenders.

A glimpse into the life and death of a soldier who committed suicide while on duty in Afghanistan:

The Army recently announced that it was charging eight soldiers — an officer and seven enlisted men — in connection with Danny Chen’s death. Five of the eight have been charged with involuntary manslaughter and negligent homicide, and the coming court-martial promises a fuller picture of the harrowing abuse Chen endured. But even the basic details are enough to terrify: What could be worse than being stuck at a remote outpost, in the middle of a combat zone, tormented by your superiors, the very same people who are supposed to be looking out for you? And why did a nice, smart kid from Chinatown, who’d always shied from conflict and confrontation, seek out an environment ruled by the laws of aggression?

The last thing child-welfare supervisor Chereece Bell wanted to see was what happened to 4-year-old Marchella Pierce. The last thing she expected was to go to jail for it.

When New York built a prison designed to house two men in a single cell, it launched a new experiment in crime control. A look at life inside this prison and in the tiny town surrounding it.