A professor at the Chinese University of Hong Kong (CUHK) was sentenced to life in prison by the High Court on Wednesday for the murders of his wife and daughter three years ago.
Following a 21-day trial, a nine-member jury spent more than seven hours discussing the case and unanimously found that Khaw Kim Sun, a 53-year-old Malaysian national, killed his wife Wong Siew Fing and their second daughter Lily Khaw Li Ling by poisoning them with carbon monoxide in a case dubbed by media as “the yoga ball murders”, the Hong Kong Economic Journal reports.
Announcing her ruling, Justice Judianna Barnes Wai-ling said it was shocking that such a highly educated and successful man could use such a calculated method to get rid of his wife.
Khaw, an anesthesiologist, looked calm upon hearing the verdict, although he kept shaking his head as he looked at his two other daughters and a son seated in the public gallery.
Khaw, who was ordered jailed immediately, did not ask for leniency.
Court records show that on the afternoon of May 22, 2015, Wong, 47 at the time, and their daughter Lily Khaw, then 16, were found unconscious in Wong’s car parked at the Sai O Village bus stop on Sai Sha Road in Ma On Shan.
They were rushed to Prince of Wales Hospital in Sha Tin, where they were later pronounced dead.
Khaw was taken away by police from his home in Ma On Shan in September last year after investigators suspected he was responsible for the murders.
The CUHK has suspended Khaw, who was an associate professor at its Department of Anesthesia and Intensive Care, since his arrest.
The case had baffled the police because they could not figure out the source of the poisonous gas as the car involved was intact.
The puzzle was solved after investigators learned that Khaw had told colleagues that he was doing some experiments related to carbon monoxide about six months before the murders.
The carbon monoxide that killed Khaw’s wife and daughter came from a yoga ball filled with the gas. The ball was found in the trunk of the car with the stopper missing.
According to the prosecution, Khaw placed the yoga ball inside the car with the intention of killing his wife without realizing that the daughter would also board the car.
The court heard that Khaw was having an affair with a university student but his wife refused to agree to a divorce.
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