In July 2014, the BBC reported the United Nations' chief investigator as stating: "Fighters from the Islamic State in Iraq and the Levant (ISIL) may be added to a list of war crimes suspects in Syria."
Pada Juli 2014, BBC melaporkan bahwa kepala penyelidik PBB menyatakan, "Para pejuang Negara Islam Irak dan Syam (NIIS) akan dimasukkan ke daftar terduga pelaku kejahatan perang di Suriah."