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

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.

Why it’s so disappointing that former White House physician Kevin O’Connor refuses to testify before Congress.

The House Oversight Committee was stonewalled by non-answers by Biden's former physician Kevin O'Connor, leading to suggesting of possible immunity offerings.

Executive privilege normally keeps White House communications secret. But both Trump and Biden waived the privilege during investigations of each other.

Dr. Kevin O'Connor is among several members of former President Joe Biden's inner circle being called to testify on the matter.

Host of Fox's America's Newsroom Bill Hemmer gave a sarcastic 4-word verdict following White House doctor's testimony on ...

A White House doctor has pleaded the Fifth Amendment in the investigation of former President Joe Biden’s cognitive state. Watch the video above for more information.