Khalid Sheikh Mohammed is widely believed to have planned the deadly terror attacks, as well as several others, as a high-ranking member of al-Qaeda.

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.