
Egyptians shout slogans in front of the state security headquarters in Cairo, Egypt, late Thursday, May 2, 2013. Arabic on the flag reads, "no God but Allah and Muhammad is his messenger." (Associated Press)

Egyptians shout slogans in front of the state security headquarters in Cairo, Egypt, late Thursday, May 2, 2013. Arabic on the flag reads, "no God but Allah and Muhammad is his messenger." (Associated Press)

**FILE** Egyptians, mostly ultraconservative protesters, shout slogans in front of the state security headquarters in Cairo on May 2, 2013. Several hundreds protested against what they said is a return by Egypt's State Security to old practices before the 2011 revolution. Arabic on the flag reads, "No God but Allah and Muhammad is his messenger." (Associated Press)

**FILE** Egyptians, mostly ultraconservative protesters, shout slogans in front of the state security headquarters in Cairo on May 2, 2013. Several hundreds protested against what they said is a return by Egypt's State Security to old practices before the 2011 revolution. Arabic on the flag reads, "No God but Allah and Muhammad is his messenger." (Associated Press)

Bangladeshi Muslims protest the movie "Innocence of Muslims," which ridicules Islam's Prophet Muhammad, in Dhaka, Bangladesh, on Friday, Sept. 28, 2012. Placards read, "There is no God but Allah and Muhammad is his messenger." (AP Photo/A.M. Ahad)

** FILE ** In this Friday, Sept. 14, 2012, a Libyan follower of Ansar al-Shariah Brigades stands in front a black flag, with Arabic writing that reads, "there is no God but Allah and Muhammad is his messenger," during a protest in front of the Tibesti Hotel, in Benghazi, Libya, as part of widespread anger across the Muslim world about a film ridiculing Islam's Prophet Muhammad. Ansar al-Shariah is among the most powerful of the heavily armed militias that the government relies on to keep security in Benghazi. (AP Photo/Mohammad Hannon)

** FILE ** In this Friday, Sept. 14, 2012, a Libyan follower of Ansar al-Shariah Brigades stands in front a black flag, with Arabic writing that reads, "there is no God but Allah and Muhammad is his messenger," during a protest in front of the Tibesti Hotel, in Benghazi, Libya, as part of widespread anger across the Muslim world about a film ridiculing Islam's Prophet Muhammad. Ansar al-Shariah is among the most powerful of the heavily armed militias that the government relies on to keep security in Benghazi. (AP Photo/Mohammad Hannon)

A Shi'ite youth beats himself with knives during the Muharram procession in Islamabad, Pakistan, Thursday, Dec. 16, 2010. Muharram is observed around the world for ten days as mourning in remembrance of the martyrdom of Imam Hussein, the grandson of Prophet Muhammad. (AP Photo/Muhammed Muheisen)

Shi'ite Muslims touch a horse, a symbol of Imam Hussein's horse that carried him through a battlefield, to pay tribute during a Muharram procession in Lahore, Pakistan, on Thursday, Dec. 16, 2010. Muharram is observed around the world for ten days as mourning in remembrance of the martyrdom of Imam Hussein, the grandson of Prophet Muhammad. (AP Photo/K.M. Chaudary)