Jihadis are not known for adherence to the rule of law, attention to due process, surpassing secular norms of justice, or clemency in judgment. You were making a metaphor whose factual basis has turned out to be thin. Perhaps you were relying too much upon the Black Legend.
I won't even mention Monty Python. :o)
Actually, it’s not as thin as you want, and I’m not impressed with pendantry. Sorry, that’s all I can come up with.