President Donald Trump claimed that former President Joe Biden’s pardons, issued for members of the House Jan. 6 committee, are "void" because an autopen was used to sign them. NBC News’ Yasmin Vossoughian reports on the history of autopens in the White House.

"It could open a Pandora's box if a sitting president tried to undo a pardon by one of their predecessors," one expert told ABC News.

The president was raising the point that, ‘Did the president even know about these pardons? Was his legal signature used without his consent or knowledge?'” Leavitt said at her