HONG KONG — A medical professor in Hong Kong has been accused of murdering his wife and 16-year-old daughter by filling a yoga ball with carbon monoxide and leaving it in the trunk of their car, whereupon the gas leaked out and killed them.
Dr. Khaw Kim-sun, 53, has been charged with two counts of murder for the 2015 deaths of his wife, Wong Siew-fung, 43, and the couple’s teenage daughter, Khaw Li-ling. A passing jogger spotted the victims’ bodies in their parked Mini Cooper and called the police.
Prosecutor Andrew Bruce alleges that Khaw was having an affair with a student and Wong refused to divorce him, resulting in a “deliberate and calculated” murder plot. In addition, Bruce said, since Khaw specialized in anesthesiology, he was easily able to obtain large amounts of carbon monoxide.
Prosecutors also allege that Khaw’s coworkers witnessed him fill two yoga balloons with carbon monoxide, which he claimed was part of a “research project” involving its effect on rabbits.
Later, Khaw allegedly told police he obtained the gas to get rid of rats in his house. A worker on the property told the cops that rats had never been a problem there.
Post-mortem exams revealed that the mother and daughter died from inhaling carbon monoxide. After inspecting the vehicle and finding no relevant defects, police took another look at a deflated yoga ball in the trunk and connected it to the incident.
Reportedly, Khaw had only planned to kill his wife and had no idea his daughter would be in the car that day. Prosecutor Bruce told the court:
“The last thing the accused wanted was for his 16-year-old daughter to die. [But] if that person knew what was in the car was carbon monoxide and knew it was a dangerous gas likely to kill you, you can confirm this person had homicide on his mind.”
Khaw has pleaded not guilty to to the charges. The trial is set to continue while being presided over by Mrs. Justice Judianna Barnes Wai-ling.
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Main photo: Yoga ball [Pixabay]