EXCLUSIVE: The White House is investigating President Joe Biden’s use of the autopen, with senior officials telling Fox News Digital they already are reviewing tens of thousands of documents.

The Trump White House has launched an investigation into former President Joe Biden and his top aides’ use of an autopen during Biden’s final months in office. The new investigation, which will be carried out in conjunction with the Justice Department,

The House Oversight Committee will bring in four more ex-White House aides for questioning about the alleged cover-up of former President Joe Biden’s mental decline — including the 46th president’s last chief of staff,

Rep. Ronny Jackson, a former White House physician, spoke with Fox News Digital after ex-Biden doctor Kevin O'Connor's appearance before the House Oversight Committee.

The House Oversight Committee has secured interviews with four former top aides to President Biden in its probe of his mental acuity. Over August and September, the panel will hear from former

House Oversight Committee Chairman James Comer (R-KY) issued a subpoena Tuesday to former White House deputy chief of staff Annie Tomasini as part of an escalating investigation into former President Joe Biden’s mental fitness and final clemency decisions while in office.

The House Oversight Committee is investigating allegations that former President Joe Biden's senior aides covered up his mental and physical decline, including his physician.