Even a quality vetting doen’t garauntee they won’t turn later.
Of course, vetting people who claim to be from Syria is pretty much impossible now.
‘Even a quality vetting doen’t garauntee they won’t turn later.’
I think you are right. I heard that one or two of the Paris terrorists were French citizens. If that is true they had to be in France for some time, I guess. Somebody correct me if I am wrong.