The Washington Post has previously reported the committee obtained emails between Ginni Thomas and attorney John Eastman, who advised Donald Trump that then-Vice President Mike Pence could thwart formal congressional certification of Trump's loss.

A lawyer for Thomas has said Thomas had no role in the Jan. 6 attack and never discussed election litigation strategy with Eastman.

(Reporting by Eric Beech; writing by Costas Pitas; Editing by Himani Sarkar)