Turki al-Binali, Abu Sufian al-Silmi, Abu Hummam al-Athari

In this undated image obtained from a militant website on Dec. 12, 2014, Turki al-Binali, a Bahraini citizen who is also known among jihadis by two other names: Abu Sufian al-Silmi and Abu Hummam al-Athari, gives a lecture to dozens of worshippers and jihadi fighters inside a mosque in the northern Iraqi city of Mosul during the Muslim holy month of Ramadan in mid-2014. Al-Binali has risen in the ranks of the Islamic State group to become one of its top and most influential religious figures. (AP Photo)