Investigation

After his financial disasters two decades ago, no U.S. bank would touch him. Then foreign money began flowing in.

The U.N. concluded two of its investigators, an American and a Swede, were killed in a random ambush in Congo. But evidence suggests they may have walked into a government trap.

The airstrikes on oil trucks in Islamic State-controlled areas employed the toxic material, which has been accused of causing cancer and birth defects.

A New York tycoon won a sweetheart deal to build a massive "sustainable" palm oil plantation in Cameroon. What followed were accusations of intimidation, corruption, bribery, and deceit. 

How Azerbaijan's dictator woos the United States and Europe.

Three years after Fukushima, Japanese officials insist their nuclear facilities are safe. They're not.

Why is the U.N. censoring its own Syria news?

This obscure FBI unit does the domestic surveillance that no other intelligence agency can touch.

How maritime unions sunk America’s food aid reform.

The untold story of al-Shabab's murderous attack on the U.N. in Mogadishu.

India is flooding the world with tainted drugs -- and getting away with it.

The Kafka-esque story of the U.S. translators being held against their will in a Kuwaiti hangar.