Jennifer Williams will be the first person on Pence's staff to show up and know how much the Vice President knows about President Donald Trump's efforts and those around him to urge Ukraine to launch investigations against Joe Biden and his son, election interference in 2016 according to a source familiar with her thinking.
Williams, along with other senior administration and national security officials, listened to a phone call on July 25 asking Trump to "favor" his newly elected Ukrainian counterpart, President Vladimir Zelensky, a White House source told Trump asked Zelensky to has been working with his attorney general, William Bar, and his attorney, Rudy Giuliani, on investigations after Zelensky said he was ready to proceed with the transfer of US military assistance to Ukraine.
Williams, a longtime State Department employee, advised Pence on European and Russian affairs and was one of Pence's two assistants on the call. The other was a gene. Keith Kellogg, Vice President's national security adviser, not yet called to testify.
Pence did not listen, but a transcript of the call was filed in Pence's daily briefing, an administrative source
Lawmakers will turn to Williams to explain what Pence knew and when, something the source knew about with Williams thinking, he says he is able to do.
More than a month after the call, Williams was traveling with Pence to Warsaw when he stood up for Trump and met with Zelensky on September 1
Since then, Pence has insisted that Trump did nothing wrong, but did not clarify how much he knew about the pressure on Ukraine and the parallel politics of Ukraine, Julian and other leading diplomatic and official channels outside.
The three commissions that direct the Democrats' investigation say Williams is expected to give evidence behind closed doors, and sources close to Williams say she is likely to appear. She hired a lawyer who did not immediately respond to requests for comment.