Karlan "should be ashamed of [her] very angry and obviously biased public pandering, and using a child to do it," Trump wrote on Twitter.
Phone records released as part of the draft impeachment report detailed close contact between Rudy Giuliani, the White House, and John Solomon.
After 5 days, dozens of hours of public testimony, and 12 witnesses Democrats are closer to impeaching Trump.
Transcripts released provided more evidence Trump's July 25 phone call with the Ukrainian president caused concern throughout his administration.
In her deposition, Williams said she found the July 25 call between Trump and Zelensky to be "unusual and inappropriate."