Another Chinese researcher has been arrested upon entering the United States, amid an escalating federal probe into the alleged smuggling of biological materials – marking the second such case in less than a week.
Han Chengxuan, a PhD candidate at Huazhong University of Science and Technology (HUST) in Wuhan, was accused of shipping four undeclared packages containing biological materials from China to a University of Michigan lab—and lying to federal agents about it.
