Former Egyptian President Hosni Mubarak (seated), 85, is escorted by medical and security personnel into an ambulance to be taken by helicopter ambulance from Maadi Military Hospital to the Cairo Police Academy for trial on Sunday, Aug. 25, 2013, in Cairo. Mr. Mubarak, under house arrest after being released from detention last week, is being retried on charges of complicity in the killings of protesters during the 2011 Egyptian uprising. (AP Photo/Amr Nabil)

Photo by: Amr Nabil

Former Egyptian President Hosni Mubarak (seated), 85, is escorted by medical and security personnel into an ambulance to be taken by helicopter ambulance from Maadi Military Hospital to the Cairo Police Academy for trial on Sunday, Aug. 25, 2013, in Cairo. Mr. Mubarak, under house arrest after being released from detention last week, is being retried on charges of complicity in the killings of protesters during the 2011 Egyptian uprising. (AP Photo/Amr Nabil)