say? the specter of john bolton loomed over the impeachment hearings. in accounts his top aide, fiona hill, gave of bolton s concerns about the trump team s pressure on ukraine. he then in the course of that discussion said that rudy giuliani was a hand grenade that was going to blow everyone up. reporter: hill said bolton physically stiffened at a july 10th white house meeting between u.s. and ukrainian officials when eu ambassador gordon sondland first linked a possible trump meeting with ukraine s president to ukraine investigating the bidens. hill said bolton immediately walked out of the meeting and gave her an ominous directive afterward. the specific instruction was that i had to go to the lawyers, to john eisenberg, our senior counsel for the national security council, to basically say you tell eisenberg, ambassador bolton told me, that i am not part of this, whatever drug deal that mulvaney and sondland are cooking up. reporter: and american diplomat david holmes testi
his account, quote, out of fear of what i might say. in accounts that his top aide fiona hill said about bolton s concerns about pressure in ukraine. he then said that rudy giuliani was a hand grenade that was going to blow everyone up. reporter: hill said bolton physically stiffened at a july meeting when u.s. ambassador gordon sondland first linked to ukraine investigating the bidens. hill said bolton immediately walked out of the meeting and gave her an ominous directive afterwards. specific instruction was that i had to go to the lawyers, to john eisenberg, our senior council for the national security council, to basically say you tell eisenberg, ambassador bolton told me, i m not part of whatever drug deal that mulvaney and sondland are cooking up. reporter: and american diplomat david holmes testified that bolton met with ukraine s president in august. and warned him what it would
tweeting, since resigning as national security adviser, the white house refused to return access to my personal twitter account. out of fear of what i may say? in another tweet, he said, we have now liberated the twitter account, previously suppressed unfairly. bolton featured prominently in the testimony of several witnesses. fiona hill, the former russia expert on his team, said bolton was frustrated by the president s personal lawyer rudy giuliani. that rudy giuliani was a hand grenade that was going to blow everyone up. reporter: hill said bolton told her to relay a message to a white house lawyer. ambassador bolton told me that i am not part of this, whatever drug deal that mulvaney and sondland are cooking up. reporter: could bolton have more damaging information to share? his lawyer has hinted yes. in yet another tweet today, bolton said, stay tuned. jon karl live at the white house. we know the white house denies they did anything to bolton s twitter account. but