Khalid Sheikh Mohammed and his co-defendants -- being seen in public for the first time in three years -- were to be formally charged with planning and executing the September 11, 2001, attacks that ...

Read more about Osama bin Laden, Khalid Sheikh Mohammed and the others who plotted 9/11 - and what happened to them. Advisory Alert: It has come to our attention that certain individuals are ...

Khalid Sheikh Mohammed, accused as the mastermind of al-Qaida's Sept. 11, 2001, attacks on the United States, has agreed to plead guilty, the Defense Department said Wednesday. The development ...

John's. The Biden administration succeeded Thursday in temporarily blocking accused 9/11 mastermind Khalid Sheikh Mohammed from entering a guilty plea in a deal that would spare him the risk of ...