SINGAPORE — A 71-year-old diagnosed paedophile who sexually abused 11 girls over more than three decades, including his own daughter, granddaughters, nieces and children who attended lessons he conducted, has been sentenced to 21 years in prison.
The High Court imposed the sentence on Thursday, September 17, after finding that the man’s long history of offending demonstrated a persistent danger to children — including the fact that he resumed abusing young victims even after being prosecuted and jailed twice for earlier sexual offences.
His victims were as young as five years old, and the offences stretched from 1990 to 2023.
But the court rejected the prosecution’s request for between 32 and 36 years’ imprisonment, ruling that such a sentence would be disproportionate under Singapore’s sentencing principles given the offender’s age, serious illness and the penalties available for his most serious individual offences.
At the same time, Justice Mavis Chionh rejected the defence’s attempt to reduce the sentence to 15 years through an appeal for judicial mercy.
The result was a 21-year term designed to punish what the judge described as particularly serious and repeated offending without turning the sentence, in practical effect, into an excessive life term.
The abuse stretched across generations
The offender cannot be named because doing so could identify his victims.
Court records show that the 11 victims included his biological daughter, two granddaughters, four nieces and four other girls connected to tuition or an enrichment centre he operated with his wife.
The victims were generally between five and 10 years old when the abuse against them began.
He pleaded guilty in July to 10 charges involving six victims, including rape, sexual assault and other sexual offences involving children.
Another 23 charges were taken into consideration for sentencing, bringing the total number of charges connected with the case to 33.
The offences themselves covered 33 years.
That long timeline became one of the most serious aggravating features of the case because the offending did not stop after police intervention or previous prison sentences.
His daughter was first abused when she was six or seven
According to court documents, the man began sexually abusing his daughter in 1997, when she was only six or seven years old.
Years later, when she was 15, he raped her.
The court heard that he attempted to keep her silent by telling her disclosure could break up the family and affect her siblings.
CNA’s earlier reporting said the abuse eventually stopped in 2005.
But the man’s offending against other children did not.
The significance of the daughter’s eventual disclosure would emerge nearly two decades later — after another generation of the family reported abuse.
His granddaughters finally exposed the wider pattern
The latest offences came to light in 2023.
By then, the offender had already served prison sentences for sexual crimes involving minors and had been released from his second term of imprisonment in 2021.
He subsequently began targeting his granddaughters.
One was only five years old when she was molested in 2023. Her older sister was also sexually abused.
After the girls told their mother what had happened, their aunt — the offender’s own daughter — disclosed the abuse she had experienced as a child.
That disclosure helped expose conduct stretching back decades.
The case demonstrates a pattern frequently seen in child sexual-abuse investigations: some victims do not disclose what happened immediately, particularly when the offender is a trusted relative or authority figure.
In this case, several of the victims depended on the offender either as a grandfather, father, uncle, teacher or caregiver.
He had already been convicted twice
Perhaps the most striking feature of the case is that the 2023 offences were not the first time the criminal justice system had dealt with the man.
CNA’s records show that his prior sexual-offence history stretched back decades.
In 1999, he was jailed for almost two years after molesting a seven-year-old girl whom he had been tutoring privately.
Yet he offended again.
In March 2020, he was sentenced to two years and two months’ imprisonment, plus another eight weeks in lieu of caning, for sexual offences against three sisters who were between six and 10 when the crimes occurred.
The girls were connected to a play school or enrichment setting run by his wife.
He was released from that imprisonment in 2021.
Within approximately two years, he was abusing his granddaughters.
That repeated offending weighed heavily in the High Court’s assessment.
Justice Chionh said his age and physical condition had plainly failed to stop his criminal conduct and noted that he stopped only after he was caught.
IMH assessed him as a danger to children
An Institute of Mental Health report diagnosed the offender with paedophilic disorder and recorded a sexual attraction to prepubescent girls.
The report also assessed him as posing a danger to children, a conclusion cited by prosecutors during sentencing.
The diagnosis should not be interpreted as excusing his conduct.
The court’s focus remained on his criminal responsibility, repeated offending and exploitation of children who trusted him.
Earlier reporting on his 2020 conviction also documented that he had already been diagnosed with paedophilia and had expressed an intention to undergo treatment.
Despite that earlier intervention and imprisonment, he later reoffended.
Prosecutors asked for up to 36 years
Deputy Public Prosecutors Jiang Ke-Yue and Ronnie Ang sought a sentence of between 32 and 36 years’ imprisonment.
The defence asked for 15 years.
The gulf between those two positions forced the High Court to address an important sentencing principle: whether adding together the appropriate sentences for multiple serious offences produces a punishment that becomes excessive when considered as a whole.
In Singapore law, this is known as the totality principle.
Justice Chionh found that neither side had applied it correctly.
The prosecution’s proposed 32- to 36-year term, she found, went too far when compared with the sentencing range for the offender’s most serious individual offence and with comparable cases.
That offence itself carried a sentencing range of eight to 20 years’ imprisonment.
The judge stressed that rejecting the prosecution’s proposed total did not mean the crimes were anything less than grave.
She described the extent of the man’s offending as appalling and highlighted the repeated abuse of his own relatives as well as children placed under his supervision.
Why his cancer affected the sentencing calculation
The offender has myelofibrosis, a rare form of blood cancer, and uses a wheelchair.
Medical evidence before the court indicated that his life expectancy had been substantially reduced.
According to CNA’s report of the sentencing hearing, the latest medical assessment put his likelihood of surviving beyond 2031 at 13%.
That did not entitle him to avoid prison.
But the High Court had to consider whether an extremely long aggregate term would effectively become a life sentence and whether it would be “crushing” in the context of his condition and remaining life expectancy.
Courts in Singapore have considered similar issues in other serious sexual-offence cases involving elderly offenders.
In a 2025 High Court decision, for example, Justice Chionh reduced individual sentences in calculating the final punishment for a 69-year-old offender because the court had to consider the potentially crushing impact of a very lengthy aggregate imprisonment term under the totality principle.
That principle does not erase punishment.
It governs how multiple punishments combine.
But the judge rejected “judicial mercy”
The defence also asked the court to exercise judicial mercy because of the man’s medical condition.
The judge refused.
Judicial mercy is reserved for exceptional circumstances, including cases where serious illness may make an otherwise appropriate prison sentence disproportionately harsh.
Singapore courts have repeatedly made clear that illness alone does not automatically justify such mercy.
In another 2025 child sexual-abuse case, the High Court likewise considered — and rejected — an appeal for judicial mercy from an older offender suffering severe medical problems before imposing a 21-year prison term.
In Thursday’s case, Justice Chionh said judicial mercy was not appropriate given the severity, persistence and history of the offending.
Why he will not be caned
The offender is 71.
Under Singapore law, male offenders aged above 50 are not subject to judicial caning.
In some cases, courts can impose additional imprisonment in lieu of caning.
That happened during the man’s 2020 conviction, when he received another eight weeks in prison because he could not be caned.
Justice Chionh decided not to impose an additional jail term in lieu of caning this time, taking into account his age, medical condition and the overall 21-year sentence.
The case also exposes the danger of repeat access to children
Beyond the sentencing numbers, the case raises a broader safeguarding issue.
The offender’s previous criminal convictions did not prevent him from later gaining access to children inside his own family.
He had already been imprisoned in 1999.
He committed further offences involving children in the following decade.
He was prosecuted again and sentenced in 2020.
He was released in 2021.
Then he targeted his granddaughters.
That pattern explains why prosecutors stressed the need for public protection and why the psychiatric assessment described him as posing an ongoing danger to children.
The offender’s relationship with his victims was particularly important.
He was not a stranger approaching children in public.
He was someone they had reason to trust.
For some, he was family.
For others, he was a teacher.
His identity remains protected because identifying him could identify the girls
It may seem unusual that a convicted serial sexual offender is not being publicly named.
The gag order is not principally intended to protect him.
It exists because revealing his identity could indirectly reveal the identities of children and family members who survived the abuse.
Singapore courts and news organisations therefore withhold information that could expose victims of sexual offences, particularly minors.
That is why responsible reporting should also avoid publishing unnecessary information about the family, school or enrichment centre that could allow readers to identify them.
The 21-year sentence may effectively extend through the rest of his life
The offender is 71.
A full 21-year term would take him into his 90s.
Given the medical evidence about his blood cancer, the possibility that he will not survive the sentence was explicitly before the court.
That was one reason the judge rejected the prosecution’s request for up to 36 years.
But the final sentence still reflects the court’s conclusion that his conduct required severe punishment despite his medical condition.
Justice Chionh emphasised that he had offended repeatedly even after punishment, diagnosis and earlier imprisonment.
There is an important distinction here.
The High Court did not find his crimes less serious because he is elderly or ill.
It found that punishment still has to comply with sentencing principles even in an exceptionally serious case.
The result was 21 years.
The central fact is what happened after his second chance
The offender had already faced the criminal justice system.
More than once.
He had already served time.
He had already been diagnosed.
He had already had opportunities to stop.
Instead, after leaving prison in 2021, he again gained access to children — this time his own granddaughters.
That is what makes Thursday’s sentence particularly significant.
The court rejected a 36-year term as disproportionate.
It rejected 15 years as insufficient.
It rejected judicial mercy.
And it settled on 21 years’ imprisonment for a man whose offending stretched across three decades and multiple generations of children.
The case ultimately came to light because two young girls spoke about what had happened to them.
Their disclosures then prompted an adult survivor in the same family to reveal what she had endured years earlier.
That sequence did more than expose the latest offence.
It uncovered a pattern that had survived two previous prosecutions — and finally brought the full scale of the man’s conduct before the High Court.
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