
Federal agents at Detroit Metro Airport say they cracked open a hard case in the luggage of two National Institutes of Health researchers and found more than a hundred tiny vials inside, a discovery that now has both scientists facing criminal charges.
Tests on a sample of the material reportedly showed mostly deactivated monkeypox virus, along with one vial containing chickenpox and a couple containing only human DNA. Prosecutors allege the pair told Customs officers they were carrying diagnostic equipment, not pathogen samples.
The defendants are identified as Vincent Munster and Claude Yinda Kwe, both scientists at the Rocky Mountain Laboratories in Hamilton, Montana. The two arrived at DTW’s McNamara Terminal on January 25 after traveling from Brazzaville in the Republic of Congo, according to Deadline Detroit. Federal court documents reviewed by the outlet say the black plastic case held 113 vials packed into Styrofoam coolers.
What Investigators Found
During what authorities describe as a routine inspection, U.S. Customs and Border Protection officers opened the hard case and, working with FBI agents, discovered 113 vials. The FBI has tested 20 of them so far. According to WWJ, 17 of those vials reportedly contained deactivated monkeypox virus, one contained chickenpox, and two contained only human DNA.
Prosecutors have charged Munster and Kwe with conspiracy to smuggle and with making false statements to federal investigators.
Testing And Safety
Multiple federal agencies, including the FBI, Customs and Border Protection, and the Department of Health and Human Services Office of Inspector General, are involved in the probe, officials said.
"These NIH experts apparently broke our laws by smuggling viral pathogens on a packed commercial airplane from an outbreak in the Republic of Congo," the U.S. attorney said in a statement reported by WWJ.
Authorities have emphasized that many of the samples appear to have been deactivated. Even so, they note that transporting biological material without authorization is treated as a serious legal and safety breach.
Where They Worked
Munster is identified as chief of the Virus Ecology Section and Kwe as a research fellow at Rocky Mountain Laboratories, the NIAID/NIH campus in Hamilton that includes high-containment (BSL-4) facilities. Academic and government records list the RML campus and address in Hamilton, Montana, and the lab is routinely cited in scientific papers with that Hamilton address.
That institutional context, combined with the facility’s high-security work, has amplified scrutiny of the case and of the lab’s biosafety practices.
Legal Implications
The charged offenses are federal crimes that carry potential prison terms and other penalties if the defendants are convicted. Federal rules tightly regulate the possession and transfer of dangerous biological agents, and the Federal Select Agent Program requires registered facilities to report the identification and handling of select agents and toxins. Violations can trigger civil and criminal enforcement as well as administrative reviews.
Separate law enforcement and administrative processes can move forward at the same time as any criminal case.
Oversight And Reaction
The incident has already prompted calls for more oversight. U.S. Sen. Tim Sheehy has asked the HHS inspector general to review safety, security, and personnel practices at Rocky Mountain Laboratories and to probe recent biosafety incidents, arguing that even small lapses can put surrounding communities at risk.
Last Tuesday, Sheehy’s letter cited a whistleblower complaint and prior on-campus incidents as reasons for a formal review of the facility’s procedures.
The investigation remains active. The researchers have been placed on administrative leave, and federal officials are continuing to test the seized material while prosecutors and agency investigators decide whether to seek indictments or additional charges, according to Deadline Detroit.









