Defense Secretary Lloyd Austin on Friday overrode a plea agreement reached earlier this week for the accused mastermind of the Sept. 11, 2001, attacks and two other defendants, reinstating them as death penalty cases.

The move comes two days after the military commission at Guantanamo Bay, Cuba, announced it had reached plea deals with Khalid Sheikh Mohammed and two accused accomplices in the attacks.

Letters sent to families of the nearly 3,000 people killed in the al-Qaida attacks said the plea agreement stipulated the three would serve life sentences.

Some families of the attack’s victims condemned the deal for cutting off any possibility of full trials and possible death penalties. Republicans were quick to fault the Biden administration for the deal, although the White House said after it was announced it had no knowledge of it.

Austin wrote in an order released Friday night that “in light of the significance of the decision,” he had decided that the authority to make a decision on accepting the plea agreements was his. He nullified the agreements.

Mohammed and the other defendants had been expected to formally enter their pleas under the deal as soon as next week.