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

A federal appeals court threw out an agreement that would have allowed accused Sept. 11 mastermind Khalid Sheikh Mohammed to plead guilty in a deal.

9/11 mastermind Khalid Sheikh Mohammed back in court as military commission hits speed bump at Guantanamo Court was dismissed early to allow both sides to regroup and strategize.

The accused 9/11 mastermind's case remains in limbo after an appeals court this week scrapped a plea deal that the government had negotiated but later withdrew.

A federal appeals court tossed out an agreement that would have allowed Khalid Sheikh Mohammed, a Pakistani national accused of spearheading the 9/11 attacks on the World Trade Center, to plead ...

FILE - Khalid Sheikh Mohammed, the alleged Sept. 11 mastermind, is seen shortly after his capture during a raid in Pakistan, March 1, 2003.