The United States’ long legal case against accused Sept. 11 mastermind Khalid Sheikh Mohammed remains in limbo after an appeals court scrapped a plea deal.

The 2-1 D.C. Circuit appeals court decision upheld then-Defense Secretary Lloyd Austin’s decision to undo the plea deal approved by military lawyers and senior Pentagon staff.

A divided federal appeals court on Friday threw out an agreement that would have allowed accused Sept. 11 mastermind Khalid Sheikh Mohammed to plead guilty in a deal sparing him the risk of execution ...

A federal appeals court has thrown out the plea agreement for the mastermind of the Sept. 11 attacks, Khalid Sheikh Mohammed.

A U.S. Court of Appeals for the District of Columbia Circuit panel upheld then-defense secretary Lloyd Austin’s withdrawal ...

The U.S. Court of Appeals rejected plea deals for Khalid Sheikh Mohammed and co-defendants, thwarting their bid to avoid the ...

The court found that Defense Secretary Lloyd J. Austin III had the authority to invalidate a contract reached between the ...

Friday's decision undoes an attempt to wrap up more than two decades of military prosecution beset by legal and logistical ...