Cheney said Trump tried to make a telephone call to an unidentified witness following the explosive June 28 hearing in which Cassidy Hutchinson, a former top aide to Trump chief of staff Mark Meadows, testified the former president knew the Jan. 6 crowd was armed and dangerous and became enraged when his security agents would not allow him to join them at the Capitol.

Cheney did not name this witness, but said they had not yet been heard from in the public hearings.

“That person declined to answer or respond to President Trump’s call, and instead alerted their lawyer to the call,” Cheney said. “Their lawyer alerted us, and this committee has supplied that information to the Department of Justice.”

“Let me say one more time: We will take any efforts to influence witness testimony very seriously,” Cheney added.