"A trove of more than 700 classified military documents provides new and detailed accounts of the men who have done time at the Guantánamo Bay prison in Cuba..."

The NYT gained access through WikiLeaks.

ADDED: Here's the WaPo article on the documents — "intelligence assessments of nearly every one of the 779 individuals who have been held at Guantanamo Bay, Cuba, since 2002. In them, analysts have created detailed portraits of detainees based on raw intelligence, including material gleaned from interrogations."