Gama’a al-Islamiyya (Islamic Group) attacked primarily in the 1990s with the intent of replacing the Egyptian government with an Islamist state.

Muslim cleric Omar Abdel Rahman, spiritual leader of Gama’a al-Islamiyya, sits in prison awaiting trial on conspiracy charges in the assassination of Anwar Sadat on Nov. 30, 1981.
(Photo By Barry Iverson/Getty Images)