his affiliations are a little unclear. but it appears he has more of a link to al qaeda. he was arrested coming back at a certain point, now in french custody. a lot of concern in geneva. there's also a key meeting at the u.n. tomorrow linked to syria. american and russians were going to get together. local media now reporting that event is going to be moved to some other location because of this potential threat, kate. >> huge u.n. facility there. it's clear that obviously following the paris attacks and the investigation -- in the investigation, the net they're casting is getting much wider, broader, if you will. what we're hearing is that the threat has gone from vague to precise threat. what does that mean to you? >> well, i think the precise part of it is the fact that they're looking for these five individuals linked to this