An engineer allegedly poisoned his co-worker’s meals and water for 17 months


By reviewing surveillance video from inside her workplace at Berkeley Engineering and Analysis in Berkeley, California, Rong Yuan stated she noticed her co-worker, David Xu, spiking her water, in keeping with the court docket paperwork.

Yuan has not responded to CNN requests for remark.

Xu, 34, was arrested on March 28 and has been charged with three felonies: premeditated tried homicide and two counts of poisoning with enhancement. The final two counts stem from struggling skilled by Yuan’s kinfolk, who drank from her water bottle after she introduced it house from the workplace.

All three alleged victims’ blood samples contained elevated ranges of cadmium, in keeping with police.

Xu, additionally an engineer, pleaded not responsible to fees throughout a court docket look on Thursday.

“Mr. Xu is presumed harmless. Meaning regardless of the allegations, he’s presumed harmless till confirmed responsible past an affordable doubt by the federal government,” his lawyer, Julia Jayne, informed CNN.

Yuan informed Berkeley Police final month that she had been noticing “a wierd style or odor from her water and meals left unattended in her workplace” on a number of events between October 2017 and final month. She stated she suffered instant well being issues after consuming the objects and at occasions needed to go to the emergency room.

In 2019, she reviewed the surveillance video, which confirmed Xu including a substance to her water bottle twice — as soon as in February and as soon as in March, in keeping with the paperwork. Exams later concluded that cadmium, a poisonous steel, was current in samples taken from her water bottle.

Publicity to cadmium may cause most cancers. When ingested, the steel targets the physique’s cardiovascular, renal, gastrointestinal, neurological, reproductive, and respiratory programs, in keeping with OSHA. Frequent industrial makes use of for the poisonous steel are in batteries, photo voltaic cells, corrosion-protection coatings, and the substance can also be utilized in pigments.

Berkeley Engineering and Analysis didn’t reply to CNN requests for remark.

The Alameda County District Lawyer’s workplace informed CNN that Xu’s bail is ready at $2 million.

His subsequent court docket date is on Might 9 for a pretrial listening to.

CNN’s Stella Chan, Sarah Moon and Jenn Selva contributed to this report.


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