How the Ebola outbreak spread.

Tracing an airstrike halfway around the world back to an American bomb factory.

'He collapsed on Granville Road, within 100 meters of the house he was renting for $20,000 a month. Police and medics were called to the scene, but within 30 minutes, Perepilichny was pronounced dead. Police told the press the death was “unexplained.” A 44-year-old man of average build and above-average wealth had simply fallen down and died in the leafy suburb he’d recently begun calling home.'

The events leading up to the botched execution of Clayton Lockett.