Khalid Sheikh Mohammed, the alleged 9/11 mastermind, is seen shortly after his capture during a raid in Pakistan in March 2003 in this photo obtained by The Associated Press.

Before his plea bargain was scuttled, Khalid Sheikh Mohammed was set to finally break his silence about the 9/11 plot and trade his life for some long-sought facts. Andrew Rice writes about what ...

The trial of the five 9/11 conspirators had been stuck in legal delays. Three of the five 9/11 defendants at Guantanamo Bay-- including alleged mastermind Khalid Sheikh Mohammed-- have reached a ...

W ASHINGTON (AP) — Khalid Sheikh Mohammed, accused as the main plotter in al-Qaeda’s Sept. 11, 2001, attacks on the United States, has agreed to plead guilty, the Defense Department said ...