Here's[2] the FBI director's Twitter thread about the C. elegans researcher, for a flavor of the MAGA sociology that's driving this. [edit]: His rhetoric in the case in [3] is even less hingèd.
[0] https://detroitnews.com/story/news/local/michigan/2025/06/27...
[1] https://www.nature.com/articles/d41586-025-01958-4 ( https://archive.is/XIONv )
[2] https://xcancel.com/FBIDirectorKash/status/19322140473000796... ("This case is part of a broader effort from the FBI and our federal partners to heavily crack down on similar pathogeon [sic] smuggling operations, as the CCP works relentlessly to undermine America’s research institutions.")
[3] https://xcancel.com/FBIDirectorKash/status/19300448842845230... ("This case is a sobering reminder that the CCP is working around the clock to deploy operatives and researchers to infiltrate American institutions and target our food supply, which would have grave consequences... putting American lives and our economy at serious risk. Your FBI will continue working tirelessly to be on guard against it.")