John Thune Calls Fauci’s Senate Silence ‘Inexcusable’ as Contempt Showdown Builds

Capitol Hill expected fireworks when Dr. Anthony Fauci returned to Congress. Instead, lawmakers got something even more politically explosive: nearly three hours of questions met, again and again, with the same constitutional refusal.

Fauci invoked the Fifth Amendment more than 100 times during a July 29 hearing before the Senate Homeland Security and Governmental Affairs Committee. That response quickly drew a sharp rebuke from Senate Majority Leader John Thune, R-S.D., who left open the possibility of a contempt of Congress vote.

“Certainly, his answers today were completely inadequate,” Thune told reporters. “What he did today in front of that committee was inexcusable.”

The clash revived one of Washington’s longest-running pandemic battles, but it also created a complicated legal question: Can Congress punish Fauci for refusing to testify after former President Joe Biden granted him a broad pardon covering possible federal offenses committed from 2014 through January 2025?

Fauci Turns a Senate Grilling Into a Wall of Silence

Fauci appeared under subpoena before the Republican-led committee, chaired by Sen. Rand Paul of Kentucky. Paul has spent years accusing the former National Institute of Allergy and Infectious Diseases director of misleading Congress about federally supported coronavirus research and the possible origins of COVID-19. Fauci has repeatedly denied wrongdoing.

Before the questioning began, Fauci explained that he would follow his lawyers’ advice and invoke his Fifth Amendment right against self-incrimination. He accused Paul of trying to create a pathway to prosecute him, describing the senator’s campaign as an “unhinged obsession with me.”

Fauci then used nearly identical language in response to question after question: “On the advice of counsel, I respectfully decline to answer.” The topics included research funding in China, gain-of-function experiments, pandemic restrictions, vaccines and Fauci’s personal journals from the COVID era.

Paul was not impressed.

“The American people deserve answers,” he said at the opening of the hearing, arguing that taxpayers deserved a fuller explanation of research supported by Fauci’s former agency. Later, Paul announced that the committee would vote the following week on a resolution finding Fauci in contempt.

The hearing became even more heated when Paul ordered security to remove Fauci attorney David Schertler after the lawyer attempted to speak without being recognized by the chair. Schertler later said Fauci had a “valid Fifth Amendment privilege” and criticized the proceeding as biased and baseless.

Thune Backs Keeping Contempt on the Table

Thune’s intervention raised the stakes because he is not simply another Republican criticizing Fauci. As Senate majority leader, his support gives Paul’s contempt effort added political weight.

Asked whether he supported holding Fauci in contempt, Thune said the option should remain available to senators. His comments strengthened Paul’s push, but they did not guarantee that a resolution would pass the full chamber.

A criminal contempt referral would first need approval from the committee and then from the full Senate. Reuters reported that the measure would probably require 60 votes, meaning Republicans would need some Democratic support. Even after Senate approval, the Justice Department would decide whether to pursue the matter, and a grand jury would still have to approve any indictment.

Democrats rejected the Republican framing of the hearing. Sen. Gary Peters of Michigan, the committee’s top Democrat, called the investigation one-sided and said it appeared designed to support a conclusion Republicans had already reached.

“Instead of focusing on the national security challenges that we are facing,” Peters said, the committee was “re-litigating the past.”

Sen. Maggie Hassan of New Hampshire was even more direct.

“This hearing is designed to entrap you,” she told Fauci.

The divide was unmistakable. Republicans described Fauci’s silence as an attempt to avoid accountability. Democrats portrayed it as a legally advised response to a proceeding led by a senator who has openly called for Fauci’s prosecution.

The Next Fight May Be Legal, Not Scientific

The Fifth Amendment protects witnesses from being forced to provide testimony that could expose them to criminal prosecution. Invoking that right is not, by itself, an admission of guilt.

Fauci’s pardon, however, makes this case unusual.

Biden’s pardon covered potential federal offenses during a period that included Fauci’s pandemic service, but it did not cover anything that happened after Biden left office. Republicans argue that the pardon removed Fauci’s risk of prosecution for past conduct and weakened his reason for remaining silent.

Fauci’s attorneys could counter that answering questions now might create new legal exposure, including possible accusations involving his current testimony. Legal experts noted that courts have not definitively resolved whether a pardoned witness may still invoke the Fifth Amendment before Congress regarding conduct covered by that pardon.

That uncertainty could become the central issue if the Senate advances a contempt referral.

The scientific dispute underneath the hearing also remains unresolved. COVID-19’s precise origin has not been conclusively established. Many scientists favor an animal-to-human spillover, though some officials and researchers consider an accidental laboratory incident possible. A Republican-led congressional subcommittee that examined the issue in 2024 found no evidence linking Fauci to wrongdoing.

For now, Thune’s “inexcusable” verdict has transformed a tense committee appearance into a broader test of Senate authority, constitutional protections and political accountability.

Fauci left the hearing without answering the questions Republicans wanted addressed. Congress must now decide whether his silence was a lawful shield or conduct worthy of formal punishment.