Well, the guys shown aren't European extraction white guys, that'd leave aryan stocked Turks, Afghanis, or Persians from Iran.
Or light colored Arabs.
I think the live beheading is fake. I think that head was cut off and that body was in in was sriff as a board!
Who was behind those mask I don't know some are wearing Jewerly.
The voice was identitfied as the Big Z!!!
Hi, Darks!