The Supreme Court's refusal to hear the appeals ensures that Khalid Sheikh Mohammed, Mustafa al-Hawsawi, and Walid bin Attash remain subject to potential execution at trial.

From the articleUS Supreme Court snubs bid to revive plea deal for accused 9/11 mastermindAlso in Bid to revive plea deal for accused 9/11 mastermind rejected by Supreme Court, Supreme Court rejects effort to revive Khalid Sheikh Mohammed plea deal, Supreme Court rejects effort to revive Khalid Sheikh Mohammed plea deal, Supreme Court won't revive 9/11 plea deal to end long-delayed prosecution, Supreme Court won't revive accused 9/11 mastermind's plea deal, Supreme Court turns away appeal from 9/11 defendants seeking to reinstate plea deals