CrimeOpinion

Chinese Smuggler #3: Chengxuan Han

Accused of smuggling biological material

A week after the US arrested two Chinese “researchers” accused of attempting to smuggle an agricultural pathogen into the country, another Chinese student from China was arrested for smuggling biological material. This time, it was round worms, a parasite. Chengxuan Han is from Wuhan.

Petri dishes with parasites are not “plastic cups”

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…

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.

However, Han lied to officers and said she didn’t send packages to members of the Michigan lab, according to court documents. She also claimed the packages contained plastic cups, rather than petri dishes. The New York Post

Authorities say Han is a doctoral student at the College of Life Science and Technology in the Huazhong University of Science and Technology in Wuhan, China.

On June 8, Chengxuan Han was… pic.twitter.com/tXqIpMHVKK

— Michigan News Source (@MINewsSource) June 9, 2025

The round worms were sent to the University of Michigan laboratory – the same school as the other two Chinese students.  Han was denied a visa three times previously. She lied to customs officials. She erased her digital device prior to coming to the United States. Information released by another X user claimed that she is a “very dedicated” member of the Chinese Communist Party.

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“According to the complaint, Han is a citizen of the PRC who is currently pursuing a Ph.D. from the College of Life Science and Technology in the Huazhong University of Science and Technology (HUST) in Wuhan, PRC. In 2024 and 2025, Han sent four packages to the United States from the PRC containing concealed biological material. These packages were addressed to individuals associated with a laboratory at the University of Michigan. On June 8, 2025, Han arrived at the Detroit Metropolitan Airport on a J1 visa. Customs and Border Protection officers conducted an inspection of Han, during which Han made false statements about the packages and the biological materials she had previously shipped to the United States. CBP officers also found that the content of Han’s electronic device had been deleted three days prior to her arrival in the United States. At the conclusion of the border inspection, Han was interviewed by agents from the Federal Bureau of Investigation and ICE HSI. During this interview, Han admitted to sending the packages, admitted that the packages contained biological material related to round worms, and admitted to making false statements to the CBP officers during her inspection.” Department of Justice

Authorities in charge of the Michigan Lab programs need to step back and realize that their policies for bringing Chinese students need to be revamped. Proper vetting of all international students is critical for US National Security.

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Faye Higbee

Faye Higbee is the columnist manager for Uncle Sam's Misguided Children. She has been writing at Conservative Firing Line since 2013 as well. She is also a published author.

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