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Government Urges Supreme Court to Reject 9/11 Defendants’ Plea Deal Bid

U.S. Solicitor General D. John Sauer asked the Supreme Court to reject a request by Khalid Sheikh Mohammed and a co-defendant to restore plea deals that would remove the death penalty.

Published August 28, 2026 at 9:00 AM EDT

The short answer

U.S. Solicitor General D. John Sauer asked the Supreme Court to reject a request by Khalid Sheikh Mohammed and a co-defendant to restore plea deals that would remove the death penalty.

Government Urges Supreme Court to Reject 9/11 Defendants’ Plea Deal Bid

The Facts

Who
U.S. Solicitor General D. John Sauer, Khalid Sheikh Mohammed, and the U.S. Supreme Court.
What
The U.S. government filed a response urging the Supreme Court to deny a petition from Sept. 11 defendants seeking to reinstate plea deals.
When
Wednesday, August 26, 2026
Where
Washington, D.C.
Why
The government argues that the Pentagon should be allowed to withdraw from plea deals that would have spared the alleged Sept. 11 attackers the death penalty.

Timeline of what happened

Key dates and decisions, in the order they occurred.

  1. July 31, 2024

    Pentagon official approves plea agreements for 9/11 defendants.

  2. August 2, 2024

    Defense Secretary Lloyd Austin cancels the plea agreements.

  3. July 1, 2025

    D.C. Circuit allows the Pentagon’s withdrawal from the agreements to stand.

  4. August 26, 2026

    Solicitor General urges Supreme Court to reject defendants' petition.

  5. September 4, 2026

    Supreme Court scheduled to release final summer order list.

U.S. Solicitor General D. John Sauer urged the Supreme Court on Wednesday to reject a petition from Khalid Sheikh Mohammed and a co-defendant regarding their 2024 plea agreements. The defendants, described as the mastermind and a co-defendant of the Sept. 11 attacks, are seeking to restore agreements that would allow them to avoid the death penalty.

The legal dispute follows a series of conflicting decisions regarding the validity of these plea deals. A Pentagon official approved the agreements on July 31, 2024, but then-Defense Secretary Lloyd Austin canceled them two days later, stating that a decision of such significance should rest with him. While a military judge and a military appeals court initially ruled that Austin acted too late to cancel the deals, the U.S. Court of Appeals for the District of Columbia Circuit reversed those decisions in July 2025.

In other court news, Chief Justice John Roberts issued an administrative stay last Friday to allow construction on a new White House ballroom to proceed. The court is also scheduled to release its final summer order list on Friday, Sept. 4. Separately, U.S. District Judge Carl Nichols declined a Justice Department request to erase the conviction of Steven Bannon for contempt of Congress, stating that prosecutors did not sufficiently explain their reasons for the dismissal.

This legal development affects the two defendants currently facing capital charges related to the Sept. 11 attacks, as well as the families of the victims of the 2001 strikes. The outcome of this Supreme Court petition will determine whether the government can proceed with seeking the death penalty or if it must honor plea deals that would result in life sentences for the accused. The case centers on the executive branch's authority to override specific military commission agreements.

The case follows decades of legal proceedings since the 2001 attacks and the subsequent creation of the military commission system at Guantanamo Bay. If the Supreme Court denies the petition, capital punishment remains a legal option. Conversely, if the plea deals were restored, it would finalize the sentencing phase for the primary figures accused of planning the attacks.

The final decision may establish a precedent for the control a Secretary of Defense holds over subordinate officials in military justice matters. It also follows other issues currently before the court, such as a case involving journalist Catherine Herridge, who faces an $800 daily fine for refusing to disclose a source. The court's upcoming summer order list on Sept. 4 may provide further clarity on which of these petitions the justices will formally hear. Judge Nichols indicated the government may renew its request for dismissal in the Bannon case if it follows the law.

Summaries are written by The Plain Record to state the facts of a story plainly and without political slant. See our editorial standards, or report a correction.

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Questions readers ask

What happened: Government Urges Supreme Court to Reject 9/11 Defendants’ Plea Deal Bid?

The U.S. government filed a response urging the Supreme Court to deny a petition from Sept. 11 defendants seeking to reinstate plea deals.

Who is involved?

U.S. Solicitor General D. John Sauer, Khalid Sheikh Mohammed, and the U.S. Supreme Court.

When did this happen?

Wednesday, August 26, 2026

Where did this happen?

Washington, D.C.

Why does this matter?

The government argues that the Pentagon should be allowed to withdraw from plea deals that would have spared the alleged Sept. 11 attackers the death penalty.