This Monday, Dec. 8, 2008 courtroom drawing by artist Janet Hamlin and reviewed by the U.S. military, shows Khalid Sheikh Mohammed, center, and co-defendant Walid Bin Attash, left, attending a pre-trial session at Guantanamo Bay Naval Base, Cuba. (AP Photo/Janet Hamlin, Pool, File)
WASHINGTON (AP) — The Biden administration asked a federal appeals court on Tuesday to block a plea agreement for accused 9/11 mastermind Khalid Sheikh Mohammed that would spare him the risk of the death penalty in one of the d