** FILE ** In this photo from Sept. 24, 2011, Egyptian riot police line up to separate pro-Mubarak supporters and the families of the slain protesters during the trial session of ousted president Hosni Mubarak in Cairo. Thousands of Egyptian police launched a nationwide strike on Monday to demand better salaries and a purge of former regime officials from senior security posts. (Associated Press)

Photo by: Nasser Nasser

** FILE ** In this photo from Sept. 24, 2011, Egyptian riot police line up to separate pro-Mubarak supporters and the families of the slain protesters during the trial session of ousted president Hosni Mubarak in Cairo. Thousands of Egyptian police launched a nationwide strike on Monday to demand better salaries and a purge of former regime officials from senior security posts. (Associated Press)