ISIS Executioner "Jihadi John" Unmasked As Mohammed Emwazi Aleksander Chan · 02/26/15 08:15AM In a new report by the Washington Post, Jihadi John, the black balaclava-clad face of the Islamic State's gruesome beheading videos, has been identified as 27-year-old Mohammed Emwazi, a Kuwait-born British national who grew up in London.