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

Chengxuan Han, of the People's Republic of China, is charged with smuggling goods into the U.S. and making false statements.

Two Chinese scientists accused of smuggling or shipping biological material into the United States without permits will ...

Two Chinese scientists, Yunqing Jian and Chengxuan Han, remain in custody for allegedly smuggling biological materials into ...

Chengxuan Han is accused of bringing in biological materials related to roundworms in a case in federal court in Detroit.

There was concern that Han Chengxuan and Jian Yunqing would flee the US if released on bond, like a Chinese national in an ...

Two Chinese researchers were charged with smuggling a biological pathogen that they planned to study at a University of ...

Two Chinese nationals are accused of smuggling a "potential agroterrorism weapon" via a noxious fungus into the U.S.

U.S. authorities said Monday that they had arrested a Chinese researcher accused of smuggling biological material into the country, the second such case in days.

A Chinese citizen has been arrested and charged after federal investigators say she smuggled biological materials into the ...

Han is the third Chinese citizen in a week who is accused by the federal government of smuggling in biological materials for work at a University of Michigan lab. Another Chinese citizen is facing ...