The Washington Post urged a thorough investigation into whether former President Biden was physically and mentally capable of carrying out presidential duties.

The House Committee on Oversight and Government Reform has expanded its investigation of the cover-up of former President Joe Biden’s health, prostate cancer, and mental decline. On June 4, Chairman James Comer subpoenaed five former senior White House aides to appear for transcribed interviews in addition to Biden’s physician,

Anthony Bernal, Jill Biden's 'work husband', is the second former White House aide to plead the Fifth when hauled before a congressional committee and was blasted by oversight Chairman James Comer

EXCLUSIVE: The White House is investigating President Joe Biden’s use of the autopen, with senior officials telling Fox News Digital they already are reviewing tens of thousands of documents.

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

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

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

Former President Joe Biden left office in January, but questions about his mental acuity and decline while in office continue to mount. Here's where the investigations stand.

The lead investigator in the conspiracy-driven effort to discredit Joe Biden’s presidency — because Biden occasionally used an autopen to sign documents — uses a digital signature himself. An NBC investigation found Rep.