Two researchers at the National Institutes of Health have been charged with conspiring to smuggle monkeypox virus samples into the United States from an active outbreak zone in Africa, lying to federal agents about what they were carrying, and doing all of it on a packed commercial airliner full of unsuspecting passengers.
The criminal complaint, unsealed in federal court in Detroit on June 2, 2026, names Vincent Munster, a 53-year-old Dutch national who serves as the Chief of the Virus Ecology Section at NIH’s Rocky Mountain Laboratories in Hamilton, Montana.
It also names Claude Kwe, a 38-year-old citizen of Cameroon who works as a research fellow in Munster’s section.
Both men have been charged with conspiracy to smuggle biological materials into the United States and making false statements to federal investigators.
They face a maximum sentence of five years in federal prison if convicted.
The Rocky Mountain Laboratory, where both men work, is not a standard research facility.
It is a Biosafety Level 4 laboratory, the highest level of biological containment on the planet, reserved for research involving the most dangerous and exotic pathogens known to science.
These are the kinds of facilities where scientists work in full pressure suits with self-contained breathing apparatus because the materials inside are too dangerous to handle any other way.
This is where Munster and Kwe work.
These are the professionals who are supposed to know better than anyone alive exactly what the rules are when it comes to transporting biological materials.
They broke those rules anyway.
And according to federal prosecutors, they lied about it directly to federal agents.
The chain of events that led to their arrest began on January 25, 2026.
Munster and Kwe arrived at the McNamara Terminal at Detroit Metropolitan Airport after a flight from Paris following nine days spent in Brazzaville, the capital of the Republic of Congo.
At the time of their travel, Congo was experiencing an active outbreak of monkeypox that had been linked to more than 2,000 deaths before being declared over in April 2026.
The two researchers had been operating in an active monkeypox outbreak zone.
When they arrived at customs, U.S. Customs and Border Protection officers noticed that Munster and Kwe were traveling with a large black plastic case.
The case was unusual.
The officers asked about it.
Munster and Kwe told the CBP officers that the case contained diagnostics and testing equipment.
That was a lie.
A subsequent investigation by CBP agents and the FBI revealed that the case contained 113 vials packed in Styrofoam coolers.
Not testing equipment.
Vials.
The FBI tested 20 of the 113 vials.
The results were alarming in their specificity: 17 of the 20 vials tested positive for deactivated monkeypox virus.
One contained deactivated chickenpox virus.
Two contained only human DNA.
The word “deactivated” means the virus had been rendered non-infectious through a scientific process, which is why federal prosecutors have noted that the immediate public health risk of these specific samples was limited.
But that word does not mean harmless, and it certainly does not mean legal.
