me if anyone at nsa has been prosecuted for this conduct, if they haven't, why they haven't been prosecuteed? >> i think the concern that you raise is a very legitimate one and we will get a response to you in greater detail but the fact that, there were, those referrals but the fact that members of the nsa who have access to this information, access to these techniques, these capabilities would misuse them for, i think you're right as you said in your statement, using them for essentially personal use, being app look to spy on people with whom they had relationships is totally inappropriate. >> reporter: questioning continues at this hour. no major fireworks so far but we will see if that develops. jon? jon: mike emanuel on a capitol hill. mike, thank you. jenna: well the biggest threats facing america right now is the focus of a critical hearing underway on capitol hill. the nation's top intelligence officials are now briefing congress about threats to our national security including the damage caused by the nsa leaks. >> the stark consequences of this perfect storm are plainly evident. th