Chengxuan Han is accused by federal government of sending four packages to the U.S. from China containing concealed material related to roundworms.

Chengxuan Han was back in federal court today for her detention hearing; however, it was postponed. The Chinese research student is accused of smuggling biological materials into the United States.

Chengxuan Han, a Chinese Ph.D. student from Huazhong University of Science and Technology, was arrested at Detroit Metro Airport on charges of smuggling biological materials into the United States.

Han arrived at Detroit Metro Airport from Shanghai on a J-1 visa June 8 and customs officers conducted an inspection and interview. She denied sending the packages to members of the lab, according ...

Chengxuan Han, a researcher at Huazhong University of Science and Technology in Wuhan, was taken into custody by the FBI upon arrival at Detroit Metropolitan Airport on June 8. According to ...

Chengxuan Han is the third student to be accused of illegally sending biological samples to the country. She is charged with smuggling goods into the U.S. and making false statements, the Detroit ...

(The Center Square) – The FBI has arrested Chengxuan Han, a graduate student from China, on charges of smuggling goods into the United States and making false statements.

Yunqing Jian and Chengxuan Han said in separate court appearances in Detroit that they would not challenge the government’s request to keep them locked up while their cases move forward.

Chengxuan Han’s case, involving C. elegans roundworms and plasmids, is particularly egregious, as these are common non-hazardous biological materials.