Two U.S. government scientists charged with smuggling deactivated mpox virus

I do this all the time. I do this all the time.
Munster's casual dismissal of biosecurity protocols when confronted by federal agents at the airport.

Scientists Vincent Munster and Claude Kwe from Rocky Mountain Laboratories allegedly concealed mpox vials and denied possessing biological materials during airport screening. The pair failed to declare samples or obtain required authorization, with Munster claiming he performs such actions routinely and documents were in his laptop.

  • Vincent Munster and Claude Kwe, virologists at Rocky Mountain Laboratories in Montana, charged with smuggling deactivated mpox virus
  • Stopped at Detroit Metropolitan Airport in January after returning from Republic of Congo
  • Denied possessing biological materials during airport screening; tests later revealed mpox vials in their luggage
  • Congo mpox outbreak linked to over 2,000 deaths before being declared over in April

Two U.S. government virologists were charged with smuggling deactivated mpox virus samples into the country from Africa and lying to investigators at Detroit airport in January.

Two virologists working at a federal research facility in Montana were arrested and charged with smuggling deactivated mpox virus samples into the United States without authorization or declaration. Vincent Munster, who leads the virus ecology section at Rocky Mountain Laboratories in Hamilton, and his colleague Claude Kwe were stopped at Detroit Metropolitan Airport in January after returning from the Republic of Congo, where they had spent nine days. The pair had flown in from Paris and were carrying vials of the inactivated virus in their luggage.

When questioned by federal investigators at the airport, Munster denied having any biological materials or samples with him. The FBI's account of the encounter quotes him as saying the necessary documentation was in his laptop, adding casually that he performs such work routinely and that authorization paperwork was not strictly necessary. He maintained this position even as agents pressed him on what he was carrying. Tests conducted after the initial screening, however, revealed that both men were indeed transporting vials of deactivated mpox virus—material they had never declared to customs officials and for which they had obtained no prior permission to bring across the border.

The criminal complaint, unsealed in federal court in Detroit, charges both men with smuggling biological materials and making false statements to investigators. Munster and Kwe are virologists with extensive research backgrounds in mpox, and the government's filing does not explain their stated reason for wanting to bring the samples back to their laboratory. The complaint does note that Munster told investigators the required documents were accessible on his computer, but the FBI concluded his statements about possessing proper authorization were materially false.

The timing of the incident is significant. The Republic of Congo has been battling a severe mpox outbreak that has claimed more than two thousand lives, though health authorities declared the two-year epidemic officially over in April. The virus, which causes fever and rash and can occasionally lead to serious complications, had spread globally in 2022 for the first time through human-to-human transmission, triggering cases in more than seventy countries that had never previously reported the disease.

Marcus Sykes, an official with the Office of Inspector General at the Department of Health and Human Services, characterized the alleged conduct as a serious breach of public trust. He emphasized that any deliberate effort to conceal and smuggle biological materials into the country without proper authorization could have placed the public at risk, even though the virus samples in question were deactivated and therefore not infectious. The statement underscores the federal government's concern not merely with the specific materials involved but with the broader principle of biosecurity and the integrity of the authorization process that governs the movement of dangerous pathogens across international borders.

Neither Munster nor Kwe responded to requests for comment. Both were expected to appear in federal court in Missoula, Montana, to face the charges. The case raises questions about oversight at high-level research institutions and how scientists with legitimate access to dangerous materials might circumvent the safeguards designed to protect public health.

Any deliberate effort to conceal and smuggle biological materials into the United States without proper authorization is a breach of the public's trust and could have placed the public at risk.
— Marcus Sykes, Office of Inspector General at the Department of Health and Human Services
La Conversación del Hearth Otra perspectiva de la historia
Inventor

Why would two experienced virologists risk their careers and freedom to smuggle samples they could theoretically request through official channels?

Model

That's the question no one can answer yet. The court filing doesn't say. But the fact that they were willing to lie about it—to deny having the materials at all—suggests they knew the official route would either be denied or take too long.

Inventor

Could they have been trying to hide something about where the samples came from or what they planned to do with them?

Model

Possibly. Or they may have simply believed the bureaucracy was unnecessary friction. Munster's comment—"I do this all the time"—suggests he saw it as routine, almost beneath the level of formal process. That kind of thinking is dangerous in biosecurity.

Inventor

The virus was deactivated, so there was no actual infectious risk, right?

Model

Right, but that's almost beside the point. The whole system of authorization exists because you can't always trust that materials are what people say they are, or that they'll be handled as promised once they're in the country. The deactivation status doesn't erase the breach.

Inventor

What does this say about security at places like Rocky Mountain Laboratories?

Model

It suggests that even at the highest levels of government research, there's a gap between the rules and how people actually behave. These weren't low-level technicians—Munster runs an entire section. If he felt comfortable lying to federal agents, what does that tell you about the culture?

Inventor

Will this change how the government handles biological materials?

Model

It might. This case is public now, which means oversight committees will ask harder questions. But real change usually requires someone to get hurt first. In this case, nobody did—which might make it easier for people to dismiss as overblown.

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