Two Chinese researchers, Zunyong Liu and Yunqing Jian, have been charged by US federal prosecutors for smuggling a dangerous fungus, Fusarium graminTwo Chinese researchers, Zunyong Liu and Yunqing Jian, have been charged by US federal prosecutors for smuggling a dangerous fungus, Fusarium graminearum—classified as a potential agroterrorism weapon—into the United States. Liu admitted bringing the pathogen in July 2024 to conduct research at the University of Michigan, where Jian works. They face charges including conspiracy, smuggling, false statements, and visa fraud. The FBI warned their actions posed a serious public safety threat. Jian is set to appear in court in Detroit.earum—classified as a potential agroterrorism weapon—into the United States. Liu admitted bringing the pathogen in July 2024 to conduct research at the University of Michigan, where Jian works. They face charges including conspiracy, smuggling, false statements, and visa fraud. The FBI warned their actions posed a serious public safety threat. Jian is set to appear in court in Detroit.