morning. what specifically are bill bratton speaking of there? >> they're talking about the phenomenon where the terrorists communications that they're not able to intercept ep. they're not anyone to encrypt them to put in plain text or voice, those communications so authorities can start to identify the totality of the terrorist conspiracies. and the application providers, technology providers in silicon valley and elsewhere they've built encrypted devices because there's a growing concern to keep communications secure. there's a concern that people are spying on their constituencies and they've built capabilities specifically to prevent that. terrorists are exploiting the same exact communication channels. >> and so are the nsa, the c ix a, people like that talking to these companies? we talked about apple i think