Video refers to speaker as Abu Bakr al-Baghdadi , a name he goes by with followers . U.S. and U.S. governments say they are looking into the video . Group says it 's changing its name from Islamic State of Iraq and U.S. to `` Islamic State '' The extremist group also said it was changing its name from the Islamic State of Iraq and Syria to `` the Islamic State . '' Very little is known about Al-Khalifah Ibrahim , the leader of the so-called Islamic State .
Video refers to speaker as Abu Bakr al-Baghdadi , a name he goes by with followers . U.S. and U.S. governments say they are looking into the video . Group says it 's changing its name from Islamic State of Iraq and U.S. to `` Islamic State '' Very little is known about Al-Khalifah Ibrahim , the leader of the so-called Islamic State .