The Syrian Observatory for Human Rights, a UK-based monitor of the more than a decade-old conflict in Syria, said Jabouri was killed in a US drone strike in the northwestern Idlib region, an area controlled by jihadists.
It said that he was killed while talking on the telephone as he was walking in the open near where he was staying.
The Observatory said Jabouri, who was posing as a Syrian, had sought refuge in the area about 10 days ago.
The CENTCOM chief said IS, despite not controlling any territory in Syria or Iraq, “remains a threat to the region and beyond”.
“Centcom is committed to the permanent defeat of IS,” Kurilla said.
Some 900 US troops remain in Syria, most in the Kurdish-administered northeast, as part of a US-led coalition battling remnants of IS, which are active in both Syria and neighboring Iraq, hiding in desert and mountainous areas. working for.
