Newly unsealed documents shed light on evidence regarding accused 9/11 mastermind Khalid Sheikh Mohammed, detailing his ...

Newly unsealed documents give one of the most detailed views yet of the evidence gathered on the accused 9/11 mastermind Khalid Sheikh Mohammed, including how prosecutors allege he and others ...

More than 23 years after the 9/11 attacks, here we are in the very same place we’ve been for endless years—on pause.

If the Pentagon were ever to get courts’ leeway to withdraw a pledge not to seek the death penalty, the United States says, ...

A federal appeals court will hear arguments today over whether the alleged mastermind of the 9/11 attacks and two accomplices should get plea deals. Family members of 9/11 victims weigh in.

Brian F. Sullivan, a former FAA special agent who specialized in counterterrorism. Khalid Sheikh Mohammed was the architect of the 9/11 attacks. He has agreed to a controversial plea deal that ...

Sitting on the front row of a war court on the US's Guantanamo Bay naval base in Cuba, Khalid Sheikh Mohammed, one of the world's most notorious defendants, appeared to listen intently.

Khalid Sheikh Mohammed and two of his top al-Qaeda lieutenants ... admit guilt in person at a military court at Guantanamo Bay, Cuba, where they’ve languished for years. Instead, on Thursday ...