- Wednesday, July 9, 2025

Former White House physician Dr. Kevin O’Connor refused to answer questions from House lawmakers investigating the alleged cover-up of former President Biden’s cognitive decline, asserting his right under the Fifth Amendment to avoid self-incrimination. Here’s what you need to know about the Biden cognitive decline investigation:

The Fifth Amendment invocation

White House physician refuses to testify:



  • Dr. O’Connor made quick exit from House office building after brief appearance
  • Appeared behind closed doors for transcribed interview with House Oversight Committee
  • Asserted Fifth Amendment right to avoid self-incrimination
  • His lawyers declined to comment on proceedings

The two key questions

Lawmakers asked specific questions about Biden cover-up:

  • Was he ever told to lie about the president?
  • Did he believe Biden was unfit to execute his duties as president?
  • Dr. O’Connor pleaded the Fifth to both questions
  • Lawmakers subpoenaed O’Connor after he initially refused to appear

Comer’s reaction

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Oversight Committee chairman sees unprecedented development:

  • “This is unprecedented, and I think that this adds more fuel to the fire that there was a cover-up”
  • James Comer, Kentucky Republican, made statement after brief interview
  • Trump administration waived executive privilege for O’Connor
  • Executive privilege would have shielded doctor from discussing Biden treatment

The Democratic defense

Texas congresswoman says doctor protecting patient confidentiality:

  • Rep. Jasmine Crockett said O’Connor was protecting patient confidentiality
  • “I think that he did what any good lawyer would advise him to do”
  • Said doctor had “two good lawyers in the room today”
  • Emphasized doctor’s duty to protect medical confidentiality
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The medical license concern

Crockett explains physician’s legal obligations:

  • “Make sure that he doesn’t lose his medical license”
  • “Whether you’re the president or otherwise, you have the right to confidentiality when it comes to your health care”
  • Crockett, who is a lawyer, explained legal protections
  • Said doctor understanding “what an oath is”

The Justice Department probe

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O’Connor also facing Trump DOJ investigation:

  • Crockett said doctor protecting himself from Trump’s “rogue” Justice Department
  • DOJ also probing Biden administration’s use of autopen
  • Justice Department investigating potential cover-up of Biden’s cognitive decline
  • O’Connor seeks protection from both congressional and DOJ probes

The Biden family connections

Doctor had close personal and business ties:

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  • O’Connor was Biden’s longtime doctor and served as White House physician
  • Physician was close family friend to Biden family
  • Also business associate to Biden’s younger brother, James Biden
  • Helped James Biden in bid to win Department of Veterans Affairs contracts in 2017

The glowing health reports

O’Connor wrote positive assessments despite public concerns:

  • Wrote glowing health reports during Biden’s presidency
  • Reports came despite obvious signs of diminishing mental acuity
  • Continued positive assessments despite numerous public stumbles
  • Committee questions whether reports reflected reality
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Comer’s investigation rationale

Chairman seeks to understand doctor’s role:

  • “Given your connections with the Biden family, the Committee seeks to understand if you contributed to an effort to hide former President Biden’s fitness to serve from the American people”
  • Comer wrote about doctor’s family connections
  • This is Comer’s second attempt to grill Biden staffers and doctor
  • Committee investigating presidency and cognitive difficulties impact

The broader probe

House panel investigating Biden administration functioning:

  • Committee begun interviewing former Biden aides
  • Probe examines whether aides were administering presidency instead of Biden
  • Investigation focuses on Biden’s cognitive decline impact
  • Panel seeks to understand who was actually running the presidency

Read more:

Kevin O’Connor, ex-White House doctor, pleads Fifth in House probe of Biden’s cognitive decline

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