The group is believed to have started bomb attacks in Iraq as of August 2003, five months after the coalition invasion and occupation of Iraq, targeting UN representatives, Iraqi Shiite institutions, the Jordanian embassy, provisional Iraqi government institutions.
Kelompok tersebut dipercaya yang memulai serangan bom di Irak pada Agustus 2003, lima bulan setelah invasi koalisi dan pendudukan Irak, yang mentargetkan para perwakilan PBB, institusi Syiah Irak, kedutaan besar Yordania, institusi pemerintahan Irak provisional.