Federal authorities charged Chengxuan Han with allegedly smuggling biological samples from China to the University of ...

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

U.S. authorities said Monday that they had arrested a Chinese researcher accused of smuggling biological material into the ...

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

Federal authorities arrest Chinese nationals for allegedly smuggling dangerous biological materials, including a crop-killing ...

Two Chinese researchers charged in separate biological smuggling investigations consented to federal detention during ...

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

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

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

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

In the decision to keep them in custody, prosecutors said they had concerns that both women would flee the country if they were released on bond.