Chinese researcher Han Chengxuan. Sanilac County Sheriff’s Office
A Chinese researcher accused of smuggling biological materials into a U.S. university lab has pleaded no contest to four charges.
Han Chengxuan, a doctoral candidate from the Chinese city of Wuhan who sent multiple packages containing concealed biological materials, pleaded to three smuggling charges and to lying to U.S. customs officials, the U.S. attorney for the Eastern District of Michigan announced.
