>> Mr. Cooper purchased->> Computer techs on Tuesday pleading the fifth on Capitol Hill over Hillary Clinton's private server and emails.>> So who told you to delete the emails?>> On advice of counsel, I respectfully decline to answer and assert my Fifth Amendment privilege.>> The IT specialist who maintained Clinton's server using the constitutional shield, under a barrage of questions from the Republican led House Oversight Committee.
>> Were you interviewed by the FBI?>> On the advice of counsel, I respectfully decline to answer.>> Former State Department IT Specialist Bryan Pagliano ignored a subpoena and didn't show. But Clinton aide Justin Cooper did, taking questions about his use of a hammer to destroy Clinton's discarded Blackberry.
>> Was your purpose in destroying the old Blackberry device ever to hide Secretary Clinton's emails?>> Congresswoman, no it was not in anyway to destroy or hide any information at all. I couldn't speak to whether there were records on there that needed to be or should be considered Federal records.
>> Committee Chair, Jason Chaffetz, alleging Cooper lacked the skills to ward off hackers.>> Here's the problem. It's you Mr. Cooper with no experience, no encryption up against the Chinese and the Russians. Who do you think's gonna win that one? That's what scares the living daylights out of us, is because the cavalier nature in which this was setup, in some of the nation's most sensitive and secure information.
That's the concern.>> Hillary Clinton has called the use of the private server as Secretary of State a mistake.