Seems to be of interest.

David Xu allegedly poisoned coworker + other with cadmium.

Victim Rong Yuan. Lawrence Berkeley Lab.

https://www2.lbl.gov/ritchie/People/Ruth.html

Espionage ?

>>6065251

>>6065238

Sauce intended.

https://abcnews.go.com/US/california-engineer-arrested-charges-attempting-poison-colleague-toxic/story?id=62111174