"Fathi ben Awn ben Jildi Murad al-Tunisi (Arabic: \u0641\u062A\u062D\u064A \u0628\u0646 \u0639\u0648\u0646 \u0628\u0646 \u0627\u0644\u062C\u0644\u064A\u062F\u064A \u0645\u0631\u0627\u062F \u0627\u0644\u062A\u0648\u0646\u0633\u064A\u200E), better known by the nom de guerre Abu Sayyaf (Arabic: \u0623\u0628\u0648 \u0633\u064A\u0651\u0627\u0641\u200E), was reportedly a high level commander of the Islamic State of Iraq and the Levant (ISIL, Islamic State, ISIS) who had a senior role in overseeing the gas and oil operations that have been a key source of the group's revenue.American sources say Abu Sayyaf, reportedly a Tunisian, was killed on the night of May 15\u201316, 2015 while resisting capture during a United States Army Delta Force operation in eastern Syria. "@en . "2015Z"^^ . "Abu Sayyaf"@en .