Republicans are focusing their efforts on the House Oversight investigation into former President Joe Biden’s use of the autopen.

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.

Former President Joe Biden's White House physician declined to answer questions before a House Committee as the GOP-led panel ramped up its investigation into Biden's age and health.

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

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.

A former senior aide to first lady Jill Biden has declined to answer questions as part of a House Republican probe into former President Joe Biden's mental state