Dr. Anthony Fauci invokes Fifth Amendment during Senate hearing on Homeland Security Committee investigation, outlet reports

Dr. Anthony Fauci invoked the Fifth Amendment at the start of a Wednesday Senate hearing tied to a Homeland Security Committee investigation, a report from the New York Post said. The newspaper said Fauci refused to answer questions as the hearing began and characterized the inquiry as part of an effort by Sen. Rand Paul (R-Ky.) to move toward criminal exposure.

According to the New York Post, Fauci directed his remarks at Paul, saying Paul had repeatedly made “slanderous comments” about him and suggesting the only purpose of the investigation was to put him “behind bars.” The report also described Fauci’s response as a rebuke of what he characterized as Paul’s “obvious obsession” with his prosecution.

The New York Post’s account places the dispute in the context of congressional oversight, where questions to witnesses can be paired with document requests and subpoenas. In such settings, invoking the Fifth Amendment typically indicates that the witness believes that answering could provide self-incriminating testimony, even if the inquiry is not itself a criminal proceeding.

Fauci’s refusal, as described by the New York Post, occurred at the outset of the hearing, before he proceeded with any substantive responses. The report did not describe an official Justice Department action in connection with the episode, and the hearing record details, such as the specific questions asked or any formal vote or enforcement step by the committee, were not provided in the supplied material.

The practical effect of a Fifth Amendment invocation in a Senate hearing is that the committee may seek additional avenues to pursue oversight, including requesting other categories of information, narrowing lines of questioning, or pursuing compliance through its own procedures. In some cases, committees may consider whether to refer noncompliance for further action, though what steps are taken depends on the committee’s rules and the status of any subpoenas or specific directives.

For constitutional and procedural reasons, the dispute also highlights the boundary between oversight and potential criminal exposure. Even when Congress is investigating matters it believes are connected to government actions or public health policy, witnesses may still invoke constitutional protections if they argue that answering could affect their legal situation. The immediate next step in the process generally turns on what the committee chooses to do following the refusal to answer and whether any enforcement mechanisms are triggered under its governing authorities.