Met a relatively recent bosnian immigrant. From what I could tell, given the right circumstances, he’s a prime candidate for SJS (Sudden Jihadi Syndrome).
Chicago has thousands of them along Devon Street. Doing RE business up there I hear they try to avoid contracting with infidels if they can help it. Also, they tend to hire their fellow believers exclusively, everything from agents to maintenance personnel.
One question that often pops up on the Nort (Chicago Speak) Side is, “what are you?”