Appeals Court Rejects Plea Deal for 9/11 Mastermind Khalid Sheikh Mohammed

A U.S. appeals court has overturned a deal that would have allowed Khalid Sheikh Mohammed, the alleged mastermind of the September 11 attacks, to plead guilty in exchange for avoiding the death penalty. The decision was made in a 2-1 vote by the Court of Appeals for Washington, D.C., which upheld the authority of the Secretary of Defense to rescind the agreement.

The original plea deal, approved in 2023, involved Mohammed and two others receiving life sentences without parole. However, Defense Secretary Lloyd Austin later withdrew from the agreement, citing his legal authority to do so. The court affirmed that no performance of promises had begun under the deal and that the government had no alternative remedy to protect its interests.

Photo of Khalid Sheikh Mohammed shortly after his capture. — The court ruling upheld the decision by then-Defense Secretary Lloyd Austin to revoke the plea agreement approved by military officials.

Mohammed, known as KSM, was the operational planner for al-Qaeda and orchestrated the plot to hijack planes for the September 11 attacks, which resulted in nearly 3,000 deaths. He is also accused of planning the crash of American Airlines Flight 77 into the World Trade Center and the Pentagon. An additional hijacked plane was brought down by passengers in Pennsylvania.

The ruling halts a lengthy military prosecution that faced numerous legal hurdles since the attacks. Families of victims held diverse opinions; some favored the trial for justice and transparency, while others believed that a resolution through the plea deal would bring closure. The deal was viewed as a way for families to obtain answers to lingering questions about the events.

In August, Austin rejected the plea deal, asserting that such a grave decision on the death penalty should be made by him personally. The appellate court’s majority found his actions within his legal authority, emphasizing that he acted in the interest of the public and families.

U.S. soldier at Camp Justice, Guantanamo Bay. — A U.S. military personnel departs a tent at Guantanamo Bay’s Camp Justice, where military commissions are held.

Some family members who opposed the plea believed a trial would provide answers, but others, like Elizabeth Miller, who lost her father in the attacks, saw the decision as necessary given the current legal situation. Miller, who opposes the death penalty, acknowledged the challenges in conducting a trial at this stage.