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A Chinese researcher allegedly tried to smuggle biological materials into the US from Wuhan and lied to the feds about the secretive scheme.
Chengxuan Han was arrested Sunday after landing at the Detroit Metropolitan airport on a flight from Shanghai, according to charging documents. She was charged with smuggling goods into the US and making false statements.
Han is the third Chinese scientist to be charged with smuggling illegal biological materials into Michigan in recent weeks.
Yunqing Jian, 33, and her boyfriend Zunyong Liu, 34, were caught last year allegedly trying to smuggle samples of a dangerous crop-killing fungus into the US, the FBI said. Jian, a Communist Party loyalist and lab researcher at the University of Michigan who received Chinese government funding for her work, was charged last week in a ploat the national security insiders called “an attack on US food supply.”
Upon Han’s arrival to the US, border officers discovered Han sent four packages that “contained biological material related to round worms” from China, according to court documents
The packages, which were sent in both 2024 and 2025, were addressed to individuals associated with a laboratory at the University of Michigan.
