The short version
- A military judge has scheduled the start of proceedings for June 2028, rejecting a prosecutor request for an earlier 2027 date to allow time for evidentiary disputes.
- The trial involves Khalid Sheikh Mohammed and three co-accused individuals regarding their roles in the September 11, 2001 attacks that killed approximately 3,000 people.
- A prior agreement allowing Mohammed to plead guilty in exchange for a life sentence without parole was invalidated by an appeals court last summer after Defense Secretary Lloyd Austin attempted to revoke it.
Khalid Sheikh Mohammed, the individual identified by US authorities as the principal architect of the September 11 attacks, will face trial in June 2028. This timeline places the proceedings more than a quarter-century after the coordinated terrorist strikes that killed nearly 3,000 people across New York City, Virginia, and Pennsylvania. The decision marks a significant procedural milestone in one of the most protracted legal cases in modern American history, moving the matter from pre-trial negotiations to a fixed schedule for adjudication.
Lt Col Michael A Schrama, a US Air Force judge presiding over the case at Guantanamo Bay, established the June 5, 2028 start date on Wednesday. Prosecutors had initially sought a trial commencement in 2027, arguing that the evidence was ready for presentation. However, Judge Schrama determined that an earlier timeline was insufficient to address complex legal matters pending before the court. The additional time is intended to resolve disputes regarding admissible evidence and other procedural issues that have complicated the preparation of the case.
The trial will involve Mohammed alongside three co-accused individuals: Walid bin Attash, Ali Abdul Aziz Ali, and Mustafa al-Hawsawi. All four men are held at the military detention facility in Cuba, which opened six months after the 2001 attacks. Mohammed, a US-educated engineer, was captured in Pakistan in March 2003 along with al-Hawsawi. He has been detained at Guantanamo Bay since September 2006. In previous statements, Mohammed admitted to planning the operation from start to finish, including the concept of training pilots to fly commercial aircraft into buildings.
The path to this trial date was marked by significant legal turmoil regarding a plea agreement that previously appeared to resolve the case. After two years of negotiations, Mohammed reached a deal to plead guilty in exchange for a life sentence without the possibility of parole, thereby avoiding the death penalty. The agreement was signed by an official appointed by then-Defense Secretary Lloyd Austin. However, reports indicated that Austin was surprised by the finalized terms and immediately moved to revoke the arrangement.
A federal appeals court subsequently threw out the plea deal last summer, citing concerns over the government's authority to enter such an agreement without proper oversight. This judicial intervention forced the prosecution to pursue a full trial, reinstating the possibility of capital punishment for Mohammed and his co-accused. The rejection of the plea bargain underscores the ongoing tension between prosecutorial discretion and executive branch control in high-profile national security cases.
The attacks themselves involved hijackers seizing four commercial airplanes. Two were flown into the Twin Towers of the World Trade Center in New York City, one struck the Pentagon in Arlington, Virginia, and a fourth crashed in a field in Shanksville, Pennsylvania, after passengers attempted to overcome the hijackers. The US government has characterized these events as the most egregious criminal act on American soil in modern history. Next month will mark the 25th anniversary of those attacks, bringing renewed attention to the legal status of those accused of orchestrating them.
Mohammed is accused of conceiving the strategy and presenting it to Osama Bin Laden, the leader of al-Qaeda at the time. The allegations include organizing the training of pilots and coordinating the logistics required for the simultaneous strikes. The trial will likely revisit these claims in detail, as the defense and prosecution prepare to present their respective narratives before a military jury. The extended timeline allows both sides to meticulously prepare for what is expected to be a complex and lengthy proceeding.
The decision to delay the trial until 2028 reflects the challenges inherent in prosecuting cases involving classified evidence and national security concerns. Judge Schrama’s ruling acknowledges that resolving evidentiary disputes requires careful consideration to ensure a fair process. As the date approaches, legal teams will focus on narrowing the scope of admissible materials and addressing procedural motions. The outcome of this trial could have lasting implications for how the US military justice system handles terrorism-related cases at Guantanamo Bay.
Public interest in the case remains high, given the historical significance of the events and the prolonged nature of the legal proceedings. The failure of the plea deal has shifted the focus from a negotiated resolution to a contested trial, raising questions about the efficacy of such agreements in future cases. As the 25th anniversary of the attacks approaches, the scheduled trial serves as a reminder of the enduring impact of September 11 on American law and foreign policy. The coming months will see increased activity as both sides finalize their strategies for the courtroom.
Sources behind this briefing
Go to the original reporting
- BBC News↗Trial date set for alleged 9/11 mastermind Khalid Sheikh Mohammed