high-end nightclub right with a lot of foreign tourists? >> reporter: very possible, frankly. as you know, andrea, we've been talking about this for a long time. turkey has been the main conduit for foreign fighters entering in syria and coming out of syria. turkey has done more recently to tighten up its border, but for years, isis used this country as something like a home base, a safe territory, and there was a little bit of a don't disturb the country where you have an operation base sort of agreement. you saw isis transitioning through here for years and not counting out very many attacks, carrying out very many attacks. nowsirkish troops are inside syria fighting, according to the turkish military they claim they have killed more than 1,000 fighters from isis in their military campaign in syria, so