Those crazy Arabs can hurt for this..Islam is a gang, and you can't leave.
It's not that serious. There isn't a secret Islamic tribunal going to bring her back like Renner was Jason bourne going rogue
From what I understand, the pressure is only as strong as your immediate social group. Since all the Muslim friends she met were fake, she'll be alright.
Now, scientology on the other hand.... That's the kind of gang you're describing.
Those scientologists will mess up you career, follow you around, and sabotage your personal life under a central detective from HQ
