something with which they can be trusted access to these encrypted communications? >> well you know what's happening is they're able to communicate what we call dark web space, right? you have thinks isis individuals in syria talking to americans, followers in the united states over twitter accounts and if we can't see those communications that's a threat to the homeland. i think the solution as the director mentioned yesterday, i think very skillfully is that it's got to be more technology-based. so we want to protect the privacy of americans, but el also want to look at a solution somewhere technology companies can basically shine a light on the darkness of these communications of eye says operatives talking to people in the united states. right now, if they're in dark platforms, we cannot follow what they're saying and therefore we can't fully stop terrorist plots. >> all right. chairman michael mccaul, thank you for your typhoon.