Khalid Sheikh Mohammed's 2007 confession was thrown out over "severe coercion," but prosecutors won't appeal to protect the June 2028 trial date.
https://www.foxnews.com/us/prosecutors-drop-khalid-sheikh-mohammed-confession-appeal-protect-2028-trial-alleged-9-11-mastermind
https://www.foxnews.com/us/prosecutors-drop-khalid-sheikh-mohammed-confession-appeal-protect-2028-trial-alleged-9-11-mastermind