More than a quarter century after the September 11 attacks claimed nearly 3,000 lives, the man accused of architecting that violence will finally face a military tribunal in June 2028. A judge at Guantanamo Bay — where only fifteen prisoners now remain — set the date after rejecting a plea agreement that would have traded a death sentence for life imprisonment, itself undone by a last-minute reversal from the Pentagon. The long delay speaks not only to the legal complexity of the case, but to the deeper, unresolved struggle democratic societies face when seeking justice for acts of catastrophi
9/11 Mastermind Khalid Sheikh Mohammed Set for Trial in June 2028
Approximately 3,000 people died in the September 2001 attacks; four detainees face trial for planning and executing the operation.
A proceeding that will unfold more than twenty-six years after his arrest
Mark
Why did the appeals court reject the plea deal? It seems like it would have resolved things faster.
Mimi
The deal was signed by someone in the Defense Department, but the Defense Secretary himself didn't authorize it. When Lloyd Austin found out, he tried to take it back. The appeals court sided with him—said the agreement shouldn't have been made in the first place.
Mark
So now Mohammed faces the death penalty again?
Mimi
Yes. The plea deal would have given him life without parole. Now he's back to a capital trial, which is why the judge needs more time. These cases are enormously complex.
Mark
Why has this taken so long? He was arrested in 2003.
Mimi
He's been at Guantanamo since 2006. The military justice system moves slowly, especially in cases this significant. There are questions about evidence, about what can be presented, about the law itself. Two decades of legal disputes don't resolve quickly.
Mark
Does he deny his role?
Mimi
No. He's said he planned the operation from start to finish. The trial isn't really about whether he did it—it's about the legal process, the penalty, and how the system handles someone accused of the worst attack on American soil.
Mark
What happens between now and June 2028?
Mimi
Lawyers will argue over evidence, over what the jury can hear. The military judge will make rulings. It's all the invisible work that happens before a trial actually begins.
Il Polso
- A military judge has set June 2028 as the trial date for Khalid Sheikh Mohammed and three co-accused, pushing the proceeding past prosecutors' preferred 2027 timeline to allow resolution of unresolved evidentiary disputes.
- A plea deal negotiated over two years — which would have spared Mohammed execution in exchange for a guilty plea and life sentence — collapsed after then-Defence Secretary Lloyd Austin moved to revoke it, and a federal appeals court invalidated it entirely last summer.
- Mohammed, held at Guantanamo since 2006, now faces the death penalty at a trial that will arrive nearly twenty-seven years after the attacks he is accused of conceiving and directing.
- The case arrives as the twenty-fifth anniversary of September 11 approaches, with Guantanamo Bay itself reduced to a skeleton facility of roughly fifteen remaining detainees — a fading institution still anchoring one of history's most consequential unresolved prosecutions.
More than a quarter century after the September 11 attacks claimed nearly 3,000 lives, the man accused of architecting that violence will finally face a military tribunal in June 2028. A judge at Guantanamo Bay — where only fifteen prisoners now remain — set the date after rejecting a plea agreement that would have traded a death sentence for life imprisonment, itself undone by a last-minute reversal from the Pentagon. The long delay speaks not only to the legal complexity of the case, but to the deeper, unresolved struggle democratic societies face when seeking justice for acts of catastrophic terror without sacrificing the principles that distinguish them from those acts.
Khalid Sheikh Mohammed will stand trial in June 2028 for his alleged role in planning the September 11 attacks — a proceeding arriving more than twenty-six years after his 2003 capture in Pakistan and nearly twenty-seven years after the attacks killed approximately 3,000 people.
Military judge Lt Col Michael A Schrama issued the ruling this week, scheduling the trial for Mohammed and three co-accused: Walid bin Attash, Ali Abdul Aziz Ali, and Mustafa al-Hawsawi. The judge rejected prosecutors' push for a 2027 start, determining that an additional year was needed to settle pretrial disputes — particularly over which evidence would be admissible. The decision reflects the extraordinary legal complexity of a case that has moved through the military justice system for over two decades.
Mohammed's road to trial has been defined by reversals. Transferred to Guantanamo Bay in 2006, he spent years facing a capital case before a plea agreement was reached after two years of negotiation: he would admit guilt in exchange for a life sentence, avoiding execution. But Defence Secretary Lloyd Austin, reportedly blindsided by the deal, moved swiftly to revoke it. Last summer, a federal appeals court invalidated the agreement entirely, returning the case to a death-penalty trajectory.
Mohammed, a US-educated engineer, is accused of conceiving the operational blueprint for the attacks — the idea of training pilots to crash commercial aircraft into buildings — and presenting it to Osama bin Laden. He has previously claimed comprehensive responsibility for the operation. The attacks struck the World Trade Center, the Pentagon, and a field near Shanksville, Pennsylvania.
The trial will coincide with the twenty-fifth anniversary of the attacks. Guantanamo, once holding hundreds of detainees, now holds roughly fifteen. Mohammed's case endures as one of the last major unresolved prosecutions of the post-9/11 era — a symbol of the long, unfinished reckoning between national security, due process, and accountability.
Khalid Sheikh Mohammed will stand trial in June 2028 for his alleged role in planning and executing the September 11 attacks—a proceeding that will unfold more than twenty-six years after his arrest in Pakistan and nearly twenty-seven years after the attacks themselves killed approximately 3,000 people.
A military judge, Lt Col Michael A Schrama, issued the ruling on Wednesday, setting the trial date for Mohammed and three co-accused: Walid bin Attash, Ali Abdul Aziz Ali, and Mustafa al-Hawsawi. The judge rejected prosecutors' request for a 2027 trial date, determining that an additional year was necessary to resolve pretrial disputes—particularly questions about which evidence would be admissible in court. The ruling reflects the extraordinary complexity of a case that has languished in the military justice system for more than two decades.
Mohammed's path to trial has been marked by legal reversals and delays. In 2003, he was captured in Pakistan alongside al-Hawsawi. He was transferred to Guantanamo Bay in September 2006, where he has remained ever since. For years, the case proceeded toward a capital trial. Then, after two years of negotiation, a plea agreement was reached: Mohammed would admit guilt in exchange for a life sentence without possibility of parole, avoiding execution. An official appointed by then-Defence Secretary Lloyd Austin signed the deal. But Austin, reportedly caught off guard by the agreement, moved immediately to revoke it. Last summer, a federal appeals court invalidated the plea deal entirely, returning the case to its original trajectory toward a death-penalty trial.
Mohammed, a US-educated engineer, is accused of conceiving the operational blueprint for the attacks—the idea of training pilots to fly commercial aircraft into buildings—and presenting those plans to Osama bin Laden. In previous statements, he has claimed responsibility for planning the 9/11 operation comprehensively, from conception to execution. The attacks themselves unfolded across three locations: hijackers flew planes into the World Trade Center in New York City and the Pentagon in Virginia, while a third hijacked aircraft crashed in a field near Shanksville, Pennsylvania, after passengers and crew attempted to retake control.
The 2028 trial date arrives as the twenty-fifth anniversary of the attacks approaches next month. Guantanamo Bay, the military detention facility where Mohammed has been held, opened six months after September 11. The prison once held hundreds of detainees; today, approximately fifteen prisoners remain in custody there. Mohammed's case represents one of the most significant prosecutions still pending from the post-9/11 era, a legal proceeding that has become a symbol of the unresolved tensions between national security, due process, and accountability in the decades following the attacks.
Citazioni salienti
Mohammed has previously claimed he planned the 9/11 operation comprehensively, from conception to execution— Khalid Sheikh Mohammed
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Crime & Justice