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

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 House Committee on Oversight and Government Reform has expanded its investigation of the cover-up of former President Joe ...

Sen. Ron Johnson is demanding the National Archives turn over records about former President Joe Biden’s “mental and physical ...

Ron Klain testified for hours behind closed doors Thursday as part of the latest interview for the House Oversight ...

Rep. James Comer said a former deputy chief of staff invoked her Fifth Amendment rights when asked if anyone “instructed her ...

Ky., said GOP lawmakers asked Bernal if he was ever asked to lie about Biden's health or whether "any unelected official or ...

Anthony Bernal, Jill Biden's former chief of staff, declined to answer questions during a closed-door deposition with House ...

Annie Tomasini is refusing to answer any questions about Biden’s health or whether she was asked to lie about it.

WASHINGTON – Joe Biden's White House physician invoked his Fifth Amendment right as he refused to answer questions during a closed-door deposition in the Republican-led House Oversight Committee ...

Former President Joe Biden‘s doctor, Kevin O’Connor, is emerging as a central figure in the widening investigations into the final years of the Biden administration — but he’s also shaping ...