More than 20 years later, accused 9/11 mastermind finally gets trial date


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More than two decades after the 9/11 attacks, the man accused of masterminding them now has a trial date. Khalid Sheikh Mohammed is set to go on trial in June 2028 along with three other men accused of conspiring in the attacks.

Mohammed is accused of orchestrating the plot to hijack four commercial planes on Sept. 11, 2001.

Two were flown into the World Trade Center and another hit the Pentagon. The fourth crashed in a field in Pennsylvania after passengers and crew fought back against the hijackers.

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Mohammed has been held at the U.S. naval base at Guantánamo Bay, Cuba, since 2006. He and his alleged co-conspirators —  Walid bin Attash, Ali Abdul Aziz Ali and Mustafa al-Hawsawi —  are among the last detainees being held there.

Elise Swain/Getty Images

Why has it taken this long to get to trial?

The case has been tied up for years in legal fights, including over whether statements the defendants made after being tortured in CIA custody can be used against them.

There have also been years of disputes over plea deals, the death penalty and other pretrial issues. A trial was previously scheduled for 2021 but was later canceled.

Last year, a federal appeals court threw out a deal that would have allowed Mohammed to plead guilty without facing the death penalty.

Under that deal, he and two of his co-conspirators would have served life sentences without parole. They also would have been required to answer any lingering questions that families of the victims have about the attacks, according to The Associated Press.

What’s next?

Prosecutors wanted Mohammed’s trial to begin in January 2027, but the judge set it for June 2028 to give both sides more time to resolve the issues still before the court.

Jury selection is set to begin June 5, 2028. Opening statements are scheduled to begin 30 days after the jury members are empaneled, with prosecutors then beginning to present their evidence.

Once the prosecution rests, the defendants will have 14 days to seek a finding of not guilty under the Rules for Military Commissions, according to Fox News.

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Why this story matters

After more than two decades, the 9/11 case has a confirmed trial date, giving victims' families and the public a defined timeline for accountability in the deadliest terrorist attack on U.S. soil.

Victims' families get a date

Families of the nearly 3,000 people killed on Sept. 11 now have a confirmed June 2028 trial date after a previously scheduled 2021 trial was canceled.

Plea deal is off the table

A federal appeals court threw out a deal that would have let Mohammed plead guilty in exchange for a life sentence, meaning the death penalty remains a possibility at trial.

Unresolved legal issues remain

The judge set the 2028 date specifically to give both sides more time to resolve outstanding pretrial disputes, meaning the schedule is not yet free of legal complications.

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Fear No Fact.

Don't just take our word for it.


Center-rated reporting

According to media bias experts at AllSides

AllSides Center-rated reporting May 2026

Transparent and credible

Awarded a perfect reliability rating from NewsGuard

100/100

Welcome back to trustworthy journalism.

Find out more

Bias comparison

  • Media outlets on the left foreground the nearly 27-year delay, detention history, and labels such as “mastermind” or “principal architect,” portraying the case as prolonged procedural failure.
  • Media outlets in the center more narrowly emphasize Judge Schrama’s procedural rationale for rejecting prosecutors’ January 2027 target.
  • Media outlets on the right frame June 2028 as accountability arriving “finally,” using “terror suspects” and “drags on,” while stressing victims, frustration, and torture-related evidence disputes that could derail proceedings again.

Media landscape

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Key points from the Left

  • Khalid Sheikh Mohammed, accused mastermind of the 9/11 attacks, will stand trial starting June 5, 2028, as ruled by a military judge.
  • Mohammed and three co-defendants have been held at Guantánamo Bay since 2003 and face charges related to the 2001 terrorist attacks.
  • The trial has been delayed for decades due to legal disputes, classified evidence issues, and allegations of torture.
  • Further delays and legal challenges may occur before the case proceeds, making the trial a test of the military commission system.

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Key points from the Center

  • On Wednesday, a U.S. Air Force judge scheduled trial for Khalid Shaikh Mohammad, the self-proclaimed "mastermind" of the Sept. 11, 2001 attacks, to begin on June 5, 2028.
  • Mohammad, a former Al-Qaeda official, was captured in 2003 after an 18-month search in Pakistan and has been detained at Guantanamo Bay since, marking decades of pre-trial delays.
  • Military court documents show the judge rejected a proposed January 11, 2027 trial date, citing the complexity of proceedings after decades of delays in the high-stakes case.
  • The Pentagon and FBI advised families of victims that plea agreement negotiations are under consideration, which could potentially remove death-penalty exposure for the accused.
  • This trial scheduling arrives on the eve of the 25th anniversary of the attacks, nearly 25 years after Sept. 11, 2001, marking a potential resolution to the protracted case.

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Key points from the Right

  • A U.S. Military judge set June 5, 2028, as the trial date for Khalid Sheikh Mohammed and three others accused of planning the September 11, 2001, attacks, delaying from a proposed January 2027 start to resolve pretrial disputes.
  • Khalid Sheikh Mohammed and co-defendants Walid bin Attash, Ali Abdul Aziz Ali, and Mustafa al-Hawsawi have been held at Guantanamo Bay since 2003 and face charges related to the hijackings.
  • Previous plea agreements that might have spared Mohammed the death penalty were rejected, prolonging the prosecution process.
  • The trial's progression depends on meeting key deadlines, with ongoing legal issues such as disputes over evidence and a co-defendant declared incompetent to stand trial.

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