al-Shaykh Abu Bakr al-Iraq, Samir al-Obaydi al Dulaymi, was known by Hajji Bakr, born in Wilayat al-Anabr in the early 1960s. He was one of the very first of those who joined al-Mujahideen after the Crusader invasion of Iraq in 2003. al-Shaykh was one of the founders of Jama’at al-Tawheed wal-Jihad, and pledged allegiance to al-Shaykh Abu Mus’ab al-Zarqawi. He took the responsibility of the silencers operations and security work inside the cities which Islamic State left their military bases there. He was imprisoned twice in American prisons until 2008, once for almost 4 years, but persevered and remained steadfast. Soon after his release, he was appointed as overall military commander of Islamic State amidst the most difficult circumstances. He was heading a military council that deals with planning military moves and supervising local commanders operating in territories under the Islamic State control. He was known for his professional capabilities in military planning, supervision, and field command. At the end of 2010, he was tasked with establishing operations in al-Sham, where he took over the administration of the special training camps of the Islamic State in al-Sham, then he came back to be the deputy Wali ((governor) ) of Wilayat Halab. He knocked down by the cowardly, insidious hands in the countryside of Northern Wilayat Halab, by the criminals of al-Sahawat, in january 2014.