CNN CNN Newsroom With Carol Costello November 18, 2015 14:10:00
Known who can move back and forth from syria to france is worrisome. >> and also we are hearing months ago this man was a target of air strikes inside syria etc. if that was true, then how is it possible that he reentered france? that is a huge question. because he has been on the radar. it's not as if he could slip in easily. he's a belgian national. is whether we know. he's in his late 20s. he's well known to intelligence communities here. and well known to u.s. intelligence as well. he's bragged publicly in isis publications about attacks. >> and french security sources tell me they believe...