Joe Biden's physician refused to answer questions during a closed-door deposition in House Republicans' probe of his mental acuity as president.

Republicans want to uncover who had the authority in the Biden White House to authorize executive orders and pardons with the president’s signature

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.

Joe Biden’s former doctor Kevin O’Connor refused to answer when asked about the former president’s health, invoking the Fifth Amendment during a congressional deposition. O’Connor is being accused of not being forthcoming with the public about Biden’s health during his presidency and covering up his cancer diagnosis.

Rep. Jasmine Crockett, D-Texas, said she had zero concerns about former President Joe Biden’s mental acuity while he was in the White House. Crockett was the only other lawmaker besides House Oversight Committee Chair James Comer, R-Ky., in the closed-door interview with former White House physician Kevin O’Connor on Wednesday morning.

Kevin O’Connor, who served as President Biden’s physician during his White House term, asked the House Oversight and Government Reform Committee on Saturday to postpone his scheduled testimony

Joe Biden’s former doctor refused to answer a single question Wednesday about the ex-president’s health and cognitive decline — stunningly invoking his right against self-incrimination before slinking out of a congressional deposition.

A House committee investigating former President Joe Biden's mental decline accused ex-White House doctor Kevin O'Connor of stonewalling.