Shoebat claims the fatwa included murdering millions of Americans and Western Europeans .
Nasr Al - Fahd , representing ISIL , issued a fatwa which was translated by Walid Shoebat .
Walid Shoebat claims the fatwa included murdering millions of Americans and Western Europeans .
Nasr Al - Fahd , representing ISIL , issued a fatwa which was translated by Walid Shoebat .