A former aide to ex-first lady Jill Biden invoked his Fifth Amendment privilege during testimony before the House Oversight Committee on Wednesday, raising red flags for some amid a probe pertaining to concerns over former President Joe Biden 's health.

Annie Tomasini's deposition is not the first video released after other witnesses invoked the Fifth Amendment in the Biden autopen investigation.

Another key figure in the investigation into former President Joe Biden’s mental and physical fitness during his presidency has invoked his Fifth Amendment rights.

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.

The House Oversight Committee wants to speak to former Biden aide Anthony Bernal for its investigation into Biden‘s use of the autopen.