April 4, 2011 - Attorney General Eric Holder announces that Mohammed will now face a military trial at Guantanamo Bay, along with four other detainees.
May 31, 2011 - The Dept. of Defense announces that capital charges have been re-filed against Mohammed and four other alleged 9/11 co-conspirators. The charges include: conspiracy, murder in violation of the law of war, attacking civilians, attacking civilian objects, intentionally causing serious bodily injury, destruction of property in violation of the law of war, hijacking aircraft and terrorism. He will be tried before a military commission at Guantanamo Bay, Cuba.
April 4, 2012 - Vice Adm. Bruce MacDonald authorizes a new trial for Mohammed and the four co-conspirators.
May 5, 2012 - Is arraigned at Guantanamo Bay along with Walid Muhammad Salih Mubarak Bin 'Attash, Ramzi Binalshibh, Ali Abdul Aziz Ali, and Mustafa Ahmed Adam al Hawsawi. The five refused to co-operate with court proceedings in various ways. They are each charged with terrorism, hijacking aircraft, conspiracy, murder in violation of the law of war, attacking civilians, attacking civilian objects, intentionally causing serious bodily injury and destruction of property in violation of the law of war. The hearing lasts 13 hours and is the first time the defendants are seen in public since January 2009.
October 17, 2012 - At a pretrial hearing at Guantanamo Bay, Mohammed declares that the U.S. government sanctioned torture in the name of national security and equates the plane hijackings that killed nearly 3,000 people to the "millions" he said have been killed by America's military. After Mohammed's remarks, military judge Capt. James Pohl says that no other personal comments by the accused will be allowed.
January 28, 2013 - The second session of the pretrial motion hearing against Mohammed takes place at Guantanamo Bay.