chris. >> all right, barbara. we have another layer here in this situation as well. nsa director sounding the alarm on isis recruiting. admiral mike rogers says the terror group's online efforts are increasing and that more americans are getting onboard. cnn senior international correspondent nick paton walsh has this part of the story. this is becoming the biggest weapon for this brand of isis is just telling people do whatever you want just do it in our name. >> reporter: very specifically put out by the spokesperson saying you know you don't have to seek our advice. the idea in this ideology can spread in social media, you can talk to people who you've never met, never spoken to isis leadership and then commit an act, an atrocity as a lone wolf inspired or trained by manuals online. here's what admiral rogers had to say about that specific threat to the u.s. >> this concern about individuals within the united states increasingly resonated, if you will with the ideology