The Biden administration has succeeded in temporarily blocking alleged 9/11 mastermind Khalid Shaikh Mohammed from entering a guilty plea that would spare him the risk of execution for Al Qaeda's Sept.

The Biden administration doubled down Thursday on its unusual court battle to derail a plea deal that the government itself had reached with accused 9/11 mastermind Khalid Sheikh Mohammed. It urged a federal appeals panel to block Mohammed's guilty plea from going forward as scheduled Friday at Guantanamo Bay,

Lawyers for accused 9/11 mastermind Khalid Sheikh Mohammed are urging a federal appeals panel to let his scheduled guilty plea Friday n Guantanamo Bay, Cuba, go forward in a plea agreement that

It's the latest development in the U.S. military's struggle to bring to justice the man charged with planning the Sept. 11 attacks on the United States.