Chinese Student Smuggling Biological Materials Pleads No Contest

Chinese Student Smuggling Biological Materials Pleads No Contest

A Chinese Ph.D. student, Chengxuan Han, pleaded no contest on August 19, 2025 to multiple federal charges—including smuggling biological materials into the United States and making false statements to Customs and Border Protection (CBP) officials. Han, a doctoral candidate at Huazhong University of Science and Technology in Wuhan, China, had shipped four improperly documented packages containing biological materials related to roundworms to rese…

China Spies Working Overtime in the U.S., Universities an Open Door for Espionage

A Chinese national from Wuhan, Chengxuan Han, pleaded no contest in federal court to smuggling biological materials into the United States and lying to U.S.