vindman. what should we look to hear from them. >> vindman was one the first officials to testify that top white house lawyer john eisenburg moved the record of that phone call into this top secret code word system. and in an effort essentially to restrict access to it. to conceal it. because he thought that it contained of course very politically damaging information and that the president asking for investigations into the bidens from volodymyr zelensky. and vindman has also testified that john eisenburg told him to be quiet about the phone call further adding evidence to this idea that perhaps the white house was trying to cover it up. fiona hill, a top white house official, who was present for a lot of conversations about ukraine, she can shed light on motivations behind the scenes as well. >> natasha, thank you. and new accusations of witness intimidation following the dramatic public testimony by the former ambassador marie