Berkeley engineer arrested for allegedly attempting to poison, kill colleague – SF Gate

Berkeley engineer arrested for allegedly attempting to poison, kill colleague - SF Gate

Berkeley engineer charged with trying to poison a colleague to death

David Xu, 34, of Lafayette, California, was arrested Thursday for allegedly attempting to poison a colleague to death.

David Xu, 34, of Lafayette, California, was arrested Thursday for allegedly attempting to poison a colleague to death.

Video: Berkeley Engineer Accused Of Poisoning Co-Worker

David Xu, 34, of Lafayette, California, was arrested Thursday for allegedly attempting to poison a colleague to death.

David Xu, 34, of Lafayette, California, was arrested Thursday for allegedly attempting to poison a colleague to death.

A Lafayette man has been charged with attempting to fatally poison his engineer colleague over a period of several years, court records show.

Police arrested David Xu, a 34-year-old senior materials engineer at Berkeley Engineering and Research, on Thursday evening.

Since 2017, Xu had allegedly been trying to poison a coworker to death by putting cadmium, a toxic metal, in her food and water, court records show.

The documents said the woman, also an engineer, sometimes noticed “a strange taste or smell from her water and food” after she had left it unattended in her office. Upon consumption, the woman experienced “immediate and significant health problems” and sometimes sought hospital care. Last year, two of the victims relatives who drank from her water bottle also got sick.

Surveillance footage obtained by police reportedly shows Xu pouring a substance into the womans water bottle on Feb. 11 and March 4, Berkeleyside reported. Water samples taken from the bottles on those dates tested positive for a toxic amount of cadmium. Blood samples from the victim and her two relatives showed elevated levels of cadmium in their systems.

Xu is being held without bail in Berkeley City Jail, court records show. He was charged with three felonies, including premeditated attempted murder resulting in great bodily injury. His arraignment is set for April 2 in Oakland.

Xu completed a Ph.D. in Materials Science and Engineering at UC Berkeley in 2012 and passed the State of Californias Professional Engineering examination a year later, the San Francisco Business Times announced in 2013.

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A Berkeley engineer is facing multiple felony charges, including attempted murder, after allegedly poisoning a co-workers food on at least two occasions, according to a report from Berkeleyside citing court records.

David Xu, 34, of Lafayette was arrested last week and charged with trying to kill a colleague by mixing a toxic substance into her food and water multiple times since 2017, Berkeleyside reported. The pair worked at Berkeley Engineering and Research at 808 Gilman St.

Court papers reveal Xus fellow engineer, who was not identified, had noticed strange tastes or smells in her water and food left unattended in her office and experienced “immediate and significant health problems” after consuming the food and water. There were times she sought emergency care at the hospital, police told Berkeleyside.

Police obtained surveillance video from the woman’s office showing Xu adding a substance to her water bottle on two occasions, once on Feb. 11 and again on March 4.

Water samples taken from the bottle on those dates tested positive for a toxic amount of cadmium, according to police.

Xu faces charges of attempted murder, with a special allegation of great bodily injury and a poisoning enhancement, according to records. He remained in the Berkeley City Jail late Monday night.


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