U.S. Court Halts Guilty Plea Hearing for Accused 9/11 Mastermind

A three-judge appeals panel will decide whether the plea deal Khalid Shaikh Mohammed reached to avoid a death-penalty trial remains valid.

Guantánamo Bay Explained: The Costs, the Captives and Why It’s Still Open

Just 15 men remain at the prison, down from hundreds when it opened 23 years ago. But the costly operation could go on for years.

Biden Administration Moves to Halt Sept. 11 Plea Deal

Justice Department lawyers are defending the defense secretary’s decision to back out of the agreement that avoided a death penalty trial, moving the question from military to civilian courts.