IS reclusive leader rallies followers Abu Bakr al-Baghdadi 1971: Born Ibrahim Awad Ibrahim al-Badri in Samarra, Iraq. Grows up in religious family, studies Islamic Theology in Baghdad 2003: Joins emerging Al Qaeda in Iraq (AQI) insurgent group following U.S.-led invasion of Iraq 2005: Captured by U.S. forces in Iraqi city of Fallujah and held at Abu Ghraib and Camp Bucca detention facilities. Released after ten months 2010: Emerges as leader of Islamic State of Iraq (ISI) – formed in 2006 as successor to AQI – after group’s top two commanders are killed in U.S.-led airstrike 2011-13: U.S. places $10 million bounty on Baghdadi’s head over series of bomb attacks in Iraq. Fighters loyal to Baghdadi cross into Syria to exploit power vacuum created by civil war. ISI becomes Islamic State in Iraq and al-Sham/the Levant (ISIS/ISIL) 2014: ISIS proclaims “caliphate” after capture of Iraqi city of Mosul. Group becomes Islamic State (IS) 2016: Mounting military pressure begins to roll back IS territorial gains Sep 2017: After several reports of his death, IS releases alleged audio tape of Baghdadi urging jihadists to keep fighting – first such recording since Nov 2016. IS chief has not been seen in public since July 2014 Raqqa: Former IS capital TURKEY Mosul IRAQ Deir al-Zour SYRIA Samarra Fallujah Baghdad Euphrates River valley: Where U.S. believes Baghdadi may be hiding IS territory as of Sep 18, 2017 100km 60 miles Sources: BBC, Reuters Pictures: AP, U.S. Department of Justice © GRAPHIC NEWS