More than twenty-four years after nearly 3,000 lives were lost in the September 11 attacks, the man accused of engineering that catastrophe has yet to face a jury. A US military judge has now set June 5, 2028, as the trial date for Khalid Sheikh Mohammed and three co-defendants — an 18-month extension beyond what prosecutors sought, driven by unresolved disputes over evidence and procedure. The case stands as a sobering reminder that justice, particularly in matters of historic gravity, moves not on the clock of grief but on the slow machinery of law.
9/11 Mastermind Trial Scheduled for June 2028 After Plea Deal Collapse
The attacks killed nearly 3,000 people; the trial addresses accountability for one of the deadliest terrorist attacks on the United States.
The path to this June 2028 date has been anything but straightforward.
Mark
Why did the military judge push the trial back so far? Eighteen months is a significant delay.
Mimi
There are still fundamental disagreements about what evidence can be used, what witnesses can testify, what the rules of the trial itself will be. Those aren't small things—they're the foundation. You can't start a trial when the basic framework isn't settled.
Mark
But they've had over twenty years to work this out. Why are these disputes still unresolved?
Mimi
Because the case is unprecedented in many ways. It involves classified information, detainees held outside the traditional court system, questions about interrogation methods. There's no clear playbook. Every major decision gets challenged.
Mark
The plea deal that fell apart—was that a surprise?
Mimi
Not entirely. The families of victims had mixed feelings about it. Some wanted answers; others wanted the death penalty to remain on the table. When the Biden administration rejected it, they sided with those who wanted a full trial, but it meant starting over.
Mark
What happens if this 2028 date doesn't hold?
Mimi
It wouldn't be the first time. A trial was scheduled for 2021 and cancelled. At this point, people have learned not to treat these dates as certain. The case keeps getting caught in legal tangles that nobody anticipated.
The Pulse
- After more than two decades of detention and legal paralysis, the trial of the alleged 9/11 mastermind has been pushed to June 2028 — the latest in a long series of postponements that have denied closure to thousands of victims' families.
- Fundamental disputes remain unsettled: which evidence is admissible, what testimony may be heard, and how the military tribunal itself will be structured — unresolved questions that form the very foundation of the prosecution's case.
- A painstakingly negotiated plea deal, two years in the making, collapsed when the Biden administration rejected it, erasing guaranteed life sentences and resetting the legal calendar entirely.
- The 2028 date carries no guarantees — the ruling is explicitly conditional on the case meeting future milestones, and a previously scheduled 2021 trial was cancelled outright.
- For the four men held at Guantanamo Bay, the delay means more years in detention; for victims' families, it extends an already agonising wait for any form of legal accountability.
More than twenty-four years after nearly 3,000 lives were lost in the September 11 attacks, the man accused of engineering that catastrophe has yet to face a jury. A US military judge has now set June 5, 2028, as the trial date for Khalid Sheikh Mohammed and three co-defendants — an 18-month extension beyond what prosecutors sought, driven by unresolved disputes over evidence and procedure. The case stands as a sobering reminder that justice, particularly in matters of historic gravity, moves not on the clock of grief but on the slow machinery of law.
More than two decades after the September 11 attacks killed nearly 3,000 people, the trial of alleged mastermind Khalid Sheikh Mohammed has been pushed back once more — this time to June 5, 2028. A US military judge set the date after ruling that an additional 18 months beyond the prosecution's preferred January 2027 start was necessary to resolve deep, unresolved disputes over evidence, admissible testimony, and the basic procedures governing the trial itself.
Mohammed is accused of conceiving and directing the plot that turned four commercial airliners into weapons. Two struck the World Trade Centre, one hit the Pentagon, and a fourth — United Airlines Flight 93 — crashed into a Pennsylvania field after passengers fought back against the hijackers. He faces trial alongside three co-defendants, all held at the US military detention facility at Guantanamo Bay, Cuba.
The road to this latest date has been marked by repeated collapse. A trial scheduled for 2021 was cancelled. More recently, negotiators spent two years constructing a plea agreement under which Mohammed and two co-defendants would plead guilty in exchange for life sentences — and would answer questions from victims' families. The Biden administration then rejected the deal, sending the case back to a full military trial with the death penalty still on the table.
The 2028 date is provisional. The judge's ruling makes clear it depends on the case meeting future deadlines, and history offers little reassurance. For the families of those killed, the delay stretches an already unbearable wait. For the American justice system, the case remains an unresolved test of how to prosecute the nation's gravest terrorist attack in a manner that is both legally credible and publicly meaningful.
More than two decades after the September 11 attacks, the man accused of orchestrating them will finally face trial—but not until the summer of 2028. A US military judge has set June 5, 2028, as the start date for the prosecution of Khalid Sheikh Mohammed and three alleged co-conspirators charged with planning the hijackings that killed nearly 3,000 people. The date represents an 18-month delay from what prosecutors had sought; they had pushed for a January 2027 trial to begin.
The additional time, according to Air Force Lieutenant Colonel Michael A. Schrama's ruling, is necessary to resolve fundamental disputes that have not yet been settled—disagreements about which evidence will be admissible, what testimony can be heard, and how the trial itself will proceed. These are not minor procedural matters. They are the scaffolding upon which the entire case rests, and they remain unresolved after more than two decades of detention and legal wrangling.
Mohammed stands accused of developing and directing the plot to use hijacked commercial airliners as weapons against the United States. Two planes struck the World Trade Centre towers in New York. A third hit the Pentagon. A fourth, United Airlines Flight 93, crashed into a field near Shanksville, Pennsylvania, after passengers and crew learned of the other attacks and fought back. Mohammed faces trial alongside Walid bin Attash, Ali Abdul Aziz Ali, and Mustafa al-Hawsawi, all held at the US military detention facility at Guantanamo Bay, Cuba.
The path to this June 2028 date has been anything but straightforward. A trial was previously scheduled for 2021 but was cancelled. More recently, a plea agreement appeared to offer a resolution: Mohammed and two of his co-defendants would plead guilty and accept life sentences without the possibility of parole. The deal also included a provision that the men would answer questions from families of the victims about the attacks—an opportunity for some measure of accountability and closure. Negotiators spent two years constructing this agreement.
Then, in a significant reversal, the Biden administration rejected the deal. The decision meant that instead of guilty pleas and guaranteed life sentences, the case would proceed to a full military trial, where the prosecution would need to prove its case and where the death penalty remained a possible outcome. The collapse of the plea agreement reset the legal calendar and contributed to the extended timeline now in place.
The 2028 date is not guaranteed. The ruling itself contains a caveat: the trial depends on the case meeting deadlines and milestones in the years ahead. History suggests caution. Delays have been the defining feature of this prosecution. The US military and successive administrations have struggled for more than two decades to bring Mohammed to justice, and there is no certainty that the next trial date will hold.
For the families of the nearly 3,000 people killed on September 11, 2001, the delay extends an already long wait for accountability. For the four men held at Guantanamo Bay, it means years more in detention while legal processes unfold. And for the American justice system, it represents an ongoing challenge: how to prosecute the most significant terrorist attack in the nation's history in a way that is both legally sound and publicly credible. The answer, it appears, will not come until 2028 at the earliest.
Notable Quotes
Additional time is needed to resolve pre-trial disputes, including disagreements about what evidence can be presented at trial— Air Force Lieutenant Colonel Michael A. Schrama, in his ruling
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Crime & Justice