After the horror of ISIS captivity, tens of thousands of Iraqis—many of them children—are caught up in a mental-health crisis unlike any in the world.

Inside Iraq’s most notorious prison, an Army interrogator named Joshua Casteel came fact to face with a truth about the war—and himself.

A Philadelphia neighborhood is the largest open-air narcotics market for heroin on the East Coast. Addicts come from all over, and many never leave.

A trip to Malheur Refuge.

A private contractor tossed U.S. military waste in Iraq and Afghanistan into giant pits and burned it. Now soldiers forced to breathe the toxic fumes are sick or dying—and the government is using faulty science to evade responsibility.

Five years after the tsunami that killed tens of thousands in Japan, a husband still searches the sea for his wife, joined by a father hoping to find his daughter.

The ragtag group of fighters from America and Europe who joined the fight against extremists in Syria don’t seem to know what they are doing.