Marc Short said he's sure if Republicans take control of Congress they'll be lawmakers who would want to question what happened in the Biden White House.
The former White House Counsel Pat Cipollone is expected to testify before the Jan. 6 Committee. His testimony could bolster a criminal case against Trump, legal experts say.
In an interview with MSNBC, Mary Trump responded to a claim that her uncle, former President Donald Trump, had said Mike Pence "deserved" to be hanged.
Trump's comments came a day after a conservative federal judge warned Congress the former president poses a "clear and present danger" to US democracy.