The U.S. government earlier this year entered into the plea agreements with Khalid Sheikh Mohammed and two other 9/11 suspects, sparing them the death penalty.

Military prosecutors and defense attorneys reached the plea agreements after two years of government-approved negotiations. Supporters see the agreements as a way of resolving the legally troubled case.

11, 2001, attacks and two accomplices can proceed after Defense Secretary Lloyd Austin had earlier ... aircraft into the World Trade Center in New York City and into the Pentagon. The 9/11 attacks, as they are known, killed nearly 3,000 people and plunged ...

Khalid Sheikh Mohammed, Mustafa al Hawsaw, and Walid bin Attash can plead guilty to the terrorist attack and avoid the death penalty.

A U.S. military court upheld a judge’s ruling that said Defense Secretary Lloyd Austin acted improperly when he invalidated plea agreements for three men accused of planning the 9/11 attacks.

A military appeals court has ruled against Defense Secretary Lloyd Austin's attempt to reject plea deals for 9/11 defendants, reinstating their agreements.