Still image of former Egyptian President Hosni Mubarak in the courtroom during his trial at the police academy in Cairo

Former Egyptian President Hosni Mubarak gestures in the courtroom during his trial at the police academy in Cairo in this August 15, 2011 still image taken from video. Mubarak returned to court on Monday to face charges of killing protesters, in a hearing that could decide if the head of the ruling military council will take the stand as a witness. REUTERS/Egypt TV via Reuters TV (EGYPT – Tags: CRIME LAW POLITICS IMAGES OF THE DAY) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. EGYPT OUT. NO COMMERCIAL OR EDITORIAL SALES IN EGYPT