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.

Kevin O’Connor cited both physician-patient privilege and his Fifth Amendment right against self-incrimination in refusing to answer questions from the House Oversight Committee.

President Joe Biden’s White House physician is refusing to answer questions as part of the House Republican investigation into Biden’s health in office