In a shocking development two Chinese Nationals Arrested in U.S. for Smuggling Deadly Fungus Linked to Agroterrorism. Despite growing tensions between the United States and China, two Chinese nationals have been arrested and charged for allegedly smuggling a dangerous biological pathogen into the country. The fungus, Fusarium graminearum, has been classified as a potential agroterrorism weapon, raising deep concerns over national security and bio-threats to the U.S. agricultural system.