Law enforcement in the U.S. is being told that ISIS social media propagandist Ahmad Abousamra, formerly of Stoughton, has been reported killed by the Iraqi military, the Herald has learned.The 33-year-old Abousamra was educated in Boston but jumped to Syria to join the jihadists after graduating college in 2006.A recent Iraqi airstrike in Anbar province killed him and another American national fighting for ISIS, according to the Iraqi military, the alert states.The FBI could not independently confirm the deaths yesterday.