Hosni Mubarak ordered to stand trial on charges of negligence for failing to halt the killing of peaceful protesters during the revolution. These trials began on 3 August 2011. On 2 June 2012, an Egyptian court sentenced Mubarak to life imprisonment. After sentencing, he was reported to have suffered a series of health crises. On 13 January 2013, Egypt's Court of Cassation (the nation's high court of appeal) overturned Mubarak's sentence and ordered a retrial. On retrial, Mubarak and his sons were convicted on 9 May 2015 of corruption and given prison sentences. Mubarak was detained in a military hospital and his
Muslim Brotherhood in post-Mubarak electoral politics of Egypt rule and frequently imprisoning the movement's members. Muslim Brotherhood members joined the protests and demonstrations beginning in late January 2011, but the organization initially kept a low profile and refrained from seeking a leadership role in the uprising. At the same time, being the largest and best organized opposition force, its participation and support were essential for an eventual success of the opposition movement. The opposition's initial demands were concerned mainly with the removal of President Mubarak and his regime, seen as a precondition for any meaningful reform. The Brotherhood gradually assumed a more assertive role, culminating with the statement