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International Business Times UK
International Business Times UK
Ma. Patrice Anne A. Martin

Engineer Who Poisoned Coworker for 18 Months Seeks Felony Dismissal After Serving Just One Day in Jail

A hidden camera captures a metallurgist spiking the desk water bottle of a colleague with toxic heavy metal cadmium in California (Representational Image) (Credit: Skylar Kang/Pexels)

A California engineer who secretly poisoned his female coworker with toxic heavy metal cadmium over an 18-month period is seeking to have his felony conviction formally dismissed after serving just one day in jail

Shocking surveillance footage released on Saturday, 10 October 2026, captured David Xu, a former principal metallurgist at Berkeley Engineering and Research, surreptitiously tampering with colleague Rong Yuan's desk water bottle.

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