Yunqing Jian, 33, first entered the country on a fraudulently obtained F1 student visa, the FBI says One of the two Chinese nationals arrested for allegedly smuggling a toxic crop-killing pathogen, which also has devastating health effects on humans, stuffed the noxious fungus into her boots while entering the United States in 2022, documents show. According to an arrest affidavit for University of Michigan post-doctoral research fellow Yunqing Jian and her boyfriend, Zunyong Liu, Jian first brought Fusarium graminearum, described as a "potential agroterrorism weapon" in scientific literature, in August 2022. A transcribed WeChat conversation between Jian and Liu shows...