A U.S. Air Force judge has ordered Khalid Sheikh Mohammed, the accused mastermind of the September 11 attacks, and three co-defendants to stand trial at Guantanamo Bay beginning June 5, 2028. The date follows decades of legal delays, failed plea agreements and renewed court battles over the military prosecution case.

The self-proclaimed "mastermind" of the 9/11 attacks, Khalid Sheikh Mohammed, will stand trial in June 2028, a military judge ruled Wednesday.

Khalid Sheikh Mohammed, the man accused of masterminding the September 11, 2001 terrorist attacks will finally face trial in 2028, a judge declared on Wednesday.

The former al Qaeda propaganda chief has been held at the Guantanamo Bay detention camp in Cuba for 20 years.