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

This is unprecedented, and I think that this adds more fuel to the fire that there was a cover-up,” House Oversight chairman James Comer declared.

Dr. Kevin O'Connor, former President Joe Biden's physician, pleaded the Fifth during a brief appearance before the House Oversight Committee for a closed interview.

The House Oversight Committee is probing whether former President Biden's top aides covered up signs of mental decline.

Dr. Kevin O'Connor cited physician-patient privilege and the right against self-incrimination under the Fifth Amendment.

Comer wrote letters Friday to three former White House spokespeople; former White House press secretary Karine Jean-Pierre, former senior deputy press secretary Andrew Bates, and

Lindy Li details how President Joe Biden's inner circle allegedly concealed his cognitive decline, claiming the DNC provided talking points and silenced concerns about the president's age.

Former White House physician Dr. Kevin O’Connor ended his interview with House lawmakers early, citing patient privilege as a reason for not answering questions about his time in the Biden administrat

Joe Biden’s White House physician on Wednesday declined to answer questions during a closed-door deposition with the House Oversight Committee, invoking his Fifth Amendment right as the Republican-led panel pushes forward in its probe of the former president’s mental fitness and decline.