capabilities we once had and move forward in the part of industry to make the apps. you'll note the fbi mentioned yesterday before the attacks were two men with ak 47's and iad's, there were 109 messages exchanged between them and isil which can't be encrypted which is a free app anyone can get even with a warrant from the federal judge. >> what's the defense of that you hear from private business? >> that is where it gets kor complicated. private business has a story. you, the government told us we have to harden these things against hackers and so on. we've hardened them so even we can't break into them and you, the government has a back door to compromise that. not the case. what the fbi director is asking