fingerprinted, no flags were raised. there is no sort of central database that this person was a part of that would have perhapsed warned people of his true intentions in finally reaching france. he then was also registered again in serbia. this is part of the normal process. at this stage. but in speaking to other refugees who were here, they're absolutely appalled by what happened in paris. they say that this is exactly the kind of violence that drove them from their homes, and what they're very concerned about right now is the fact that this violence, which they do not, absolutely do not condone, is going to somehow cause greater mistrust to exist amongst them, and the population in these various different european countries, and this growing rift could then potentially dangerously play straight back into isis' hands, erin. >> arwa damon, thank you very much. and i want to bring our national security analyst juliette kayam