Friday, April 3, 2015

Cancer researching Stanford grad student poisoned classmates, sabotaged peers' projects: police


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Thursday, April 2, 2015, 2:54 PM
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Xiangyu Ouyang, 26, will likely plead insanity after her arrest for poisoning her classmates.A-STAR.EDU.SG

Xiangyu Ouyang, 26, will likely plead insanity after her arrest for poisoning her classmates.

A Singaporean Stanford graduate student studying cancer biology was arrested and charged with poisoning her research classmates with a potent chemical that causes burning sensations in the mouth and throat, authorities say.
Xiangyu Ouyang, 26, has been banned from the Stanford University campus in Palo Alto after students and police caught on to the bizarre incidents late last year, documents show.
“I think someone is trying to kill me!” one victim yelled after sipping the water bottle filled with paraformaldehyde, which can be used in embalming and as a fungicide or disinfectant, according to court papersobtained by campus publication the Fountain Hopper.
The four victims all worked in the Nusse Lab researching stems cells when the poisoning and weird happenings began sometime in September 2014. One student reported finding her stem cell cultures dead after they had been flourishing, while others immediately sensed something was fishy about their water bottles.
Many of the students left their bottles unattended overnight in the lab.
One victim told police she “drank some water from the bottle and felt a burning sensation in her throat.”
“She began to salivate uncontrollably and felt her esophagus contracting,” the statement reads. “The water smelled faintly of PFA.”
Another time, the same student “took a big swig of water” and “immediately experienced a burning sensation in her mouth and throat.
“Her eyes became irritated and watery. She began salivating uncontrollably. The experience was 10 times worse than the first time. Her throat was burning so bad that she could not even swallow the water,” the documents obtained by the Hopper read.

Classmates of the suspect at Stanford University in Palo Alto, Calif., became suspicious after smelling chemicals in their water bottles.JUSTIN SULLIVAN/GETTY IMAGES

Classmates of the suspect at Stanford University in Palo Alto, Calif., became suspicious after smelling chemicals in their water bottles.

Other researchers told police Ouyang rarely spoke with her lab mates, but told one “she was stressed out.” Another called her “quiet, shy and unsure of herself,” while another student said Ouyang was “awkward and strange, but not having any glaringly obvious issues.”
As police began to investigate in November, Ouyang was admitted to the hospital and kept on a psychiatric hold, the San Francisco Chronicle reported.
When cops eventually were able to speak to her, Ouyang told them she “had done bad things but, ‘not consciously’ and ‘it was not myself.’”
“I didn’t mean to hurt anyone,” she said in confessing to the crimes, according to the documents.
She told police she’d stopped taking anti-depressants in the weeks leading up to the alleged poisonings, according to the Chronicle, and the crimes were “a cry for help.”
The former Stanford student is due in court May 15 and may plead not guilty by reason of insanity, according to the newspaper. She’s no longer a student at the school.
“This was a sad, heartbreaking situation for everyone involved,” university spokeswoman Lisa Lapin told the Chronicle. “This was a confined, isolated circumstance and there was no threat to the broader campus community. The university has been providing support to the group impacted.”

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