by Rhonda Brooks, Farm Journal
Another Chinese national is accused of smuggling biological materials related to roundworms into the U.S. for work at a University of Michigan laboratory. This is the third such charge of a Chinese national by the U.S. federal government in a week.
Chengxuan Han is charged with smuggling goods into the United States and making false statements, according to a criminal complaint, said the U.S. Attorney’s Office for the Eastern District of Michigan on Monday.
“The alleged smuggling of biological materials by this alien from a science and technology university in Wuhan, China — to be used at a University of Michigan laboratory — is part of an alarming pattern that threatens our security,” said U.S. Attorney Jerome F. Gorgon, Jr., in a prepared statement. “The American taxpayer should not be underwriting a PRC-based smuggling operation at one of our crucial public institutions.”
On June 8, 2025, Han arrived at the Detroit Metropolitan Airport on a J1 visa. Customs and Border Protection (CBP) 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 roundworms, and admitted to making false statements to the CBP officers during her inspection.
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