Case Details
- Citation: [2025] SGHC 78
- Title: Public Prosecutor v Chong Shiong Hui
- Court: High Court (General Division)
- Criminal Case No: Criminal Case No 63 of 2024
- Judges: Aidan Xu @ Aedit Abdullah J
- Hearing Dates: 28 November 2024 and 6 December 2024
- Date of Decision: 28 April 2025
- Plaintiff/Applicant: Public Prosecutor
- Defendant/Respondent: Chong Shiong Hui
- Legal Area: Criminal Law; Criminal Procedure; Sentencing
- Offence(s): Attempted murder under s 307(1) of the Penal Code (Cap 224, 2008 Rev Ed); ss 426 and 427 of the Penal Code taken into consideration for sentencing
- Sentence Imposed at Trial: 16 years’ imprisonment and five strokes of the cane
- Appeal: Accused appealed against sentence
- Judgment Length: 30 pages; 7,926 words
- Statutes Referenced: Penal Code (Cap 224, 2008 Rev Ed) (notably ss 307(1), 426, 427)
- Cases Cited (from extract): PP v Shoo Ah San [2021] SGHC 251; PP v Ravindran Annamalai [2013] SGHC 77; PP v BPK [2018] 5 SLR 755
Summary
In Public Prosecutor v Chong Shiong Hui ([2025] SGHC 78), the High Court dealt with an appeal against sentence following a guilty plea to attempted murder. The accused, after a prolonged history of an extramarital relationship and a triggering dispute over a WhatsApp message, carried out a sustained and vicious attack on the victim using multiple weapons. The attack was not a single impulsive act; it involved planning, preparation, and persistence even after the victim managed to disarm or evade him at various points.
The accused was sentenced to 16 years’ imprisonment and five strokes of the cane. On appeal, the court reaffirmed that attempted murder cases—particularly those involving premeditation, multiple weapons, and serious injuries to vulnerable parts of the body—require strong sentencing objectives of deterrence and retribution. The court also considered whether rehabilitation could displace those objectives, and whether the mitigating value of the accused’s plea of guilt and other personal circumstances was sufficient to reduce the sentence.
Ultimately, the High Court’s reasoning focused on the high degree of blameworthiness, the egregiousness of the violence, and the lasting physical and psychological harm inflicted on the victim. The court calibrated the sentence by weighing aggravating factors against mitigation, including cooperation and remorse, while maintaining that the gravity of the offence called for a substantial custodial term and caning.
What Were the Facts of This Case?
The background to the offence involved a relationship between the accused and the victim that began around 20 years earlier and resumed in August 2017. At the time of reconnection, both parties were married to their respective spouses. Their relationship developed into an extramarital affair. Over time, the relationship deteriorated, culminating in a message sent by the victim on 28 November 2019 indicating that she wanted to take a break.
Following the victim’s message, the accused became upset and quarrelled with her over WhatsApp. Late in the evening of 29 November 2019, he drank approximately half a bottle of cognac and a glass of red wine. He then sent multiple threatening messages to the victim, including threats to kill himself, the victim, the victim’s then 6-year-old daughter, and the victim’s husband. After sending these messages, the accused went to bed after taking two tablets of Stilnox (zolpidem). The court treated the intoxication as relevant to sentencing, but not as a complete explanation or excuse for the violence that followed.
In the early hours of 30 November 2019, at about 4.00 am, the accused attempted to call the victim. When she did not pick up, he decided to go to her home. He brought a chopper concealed in a shoe bag, as well as two tins of petrol and cigarettes. At the victim’s apartment block, he loosened the air valves in the husband’s car tyres, which formed the basis of a charge under s 426 of the Penal Code. He then proceeded to the victim’s unit with the chopper and petrol, and he switched off the main electrical switch of the unit, forming the basis of a charge under s 427 of the Penal Code.
The accused’s conduct escalated beyond intimidation. After the husband indicated he would call the police and the victim was not present, the accused continued sending threatening messages and sent photographs of the petrol and the chopper. Later, when the victim arranged to meet him at his parents’ home, the accused continued threatening her, including threats to kill her and himself. Around 1.00 pm, he retrieved a fruit knife, and he had already placed the chopper and petrol in his car. At his parents’ home, he left petrol tins at the porch, took a kitchen knife and the chopper, and even took a glove to improve his grip. When the victim arrived, the accused abruptly pulled her inside and closed the gate, confining her in the car porch area.
The attack was continuous and persistent. The accused wore the glove, grabbed the chopper, and pointed it at the victim. During the argument, he swung the chopper and slashed her on her right upper forearm. He continued slashing her on her forearms, head, and thigh. When the victim managed to kick the chopper away at one point, he switched to a kitchen knife and threatened to kill her, attempting to slash her on her neck and chest. The victim dodged the knife but was still slashed on her back and back of her head multiple times. Neighbours heard her screams; she held a flowerpot to shield herself. The accused continued chasing and thrusting the knife towards her, and when the victim pushed him and caused him to drop the knife, he switched again to a handsaw found on the premises. The accused’s violence continued even as the victim tried to escape.
The victim eventually escaped when the accused’s parents returned and were alerted by a neighbour. Even then, the accused slashed her on the back with the chopper and chased her through the streets. He made her fall and stamped on her body several times as she struggled. The attack only stopped when the victim’s mother persuaded him to stop. The victim suffered severe injuries, including lacerations to the scalp and face, stab and slash wounds to the neck and chest, limb wounds with tendon injury, multiple fractures on her skull, and permanent disfigurement. She also experienced fear and flashbacks, and her family moved away due to fear of the accused’s revenge.
What Were the Key Legal Issues?
The principal issue was whether the sentence of 16 years’ imprisonment and five strokes of the cane was manifestly excessive or otherwise wrong in principle. This required the court to examine the sentencing objectives applicable to attempted murder, and to determine how deterrence and retribution should be balanced against rehabilitation in the circumstances of this offender.
A second issue concerned the role of premeditation. The court had to assess whether the accused’s conduct demonstrated planning and preparation sufficient to warrant specific deterrence, and whether the violence was so vicious and sustained that it required a stronger signal to deter similar conduct.
Third, the court considered whether the sentencing judge had placed undue emphasis on retribution, and whether mitigation—particularly the accused’s plea of guilt, cooperation, restitution, remorse, and personal circumstances such as mental disorder and substance dependence—should have led to a lower sentence.
How Did the Court Analyse the Issues?
The court began by situating the case within the framework of sentencing for attempted murder. Attempted murder under s 307(1) of the Penal Code carries a high sentencing range because it involves an intention to cause death, even if death does not occur. In such cases, the court emphasised that the seriousness of the offence is not measured solely by the outcome, but also by the nature of the attempt—particularly the degree of violence, the risk created, and the offender’s culpability.
On the sentencing objectives, the court addressed the question whether deterrence and retribution were displaced by rehabilitation. The accused argued, in substance, that his personal circumstances and prospects for reform should have reduced the weight given to deterrence. However, the court held that where the offence involved sustained and brutal violence, public disquiet, and premeditated conduct, deterrence and retribution remain central. Rehabilitation may still be relevant, but it cannot override the need for a strong sentencing response where the offender’s conduct demonstrates a high degree of dangerousness and disregard for human life.
The court also analysed premeditation as a key aggravating dimension. The accused’s actions showed more than momentary anger. He drank and took medication, sent threatening messages, concealed a chopper in a shoe bag, brought petrol tins, loosened the husband’s car tyres, switched off the electrical switch in the unit, and later retrieved multiple weapons (chopper, kitchen knife, and handsaw). He also prepared by taking a glove for grip. These features supported the conclusion that the offence was planned and executed with intent to intimidate and harm, thereby warranting specific deterrence.
In assessing aggravating factors, the court highlighted several elements of high blameworthiness. First, the viciousness and sustained nature of the attack showed blatant disregard for human life. Second, the accused targeted vulnerable parts of the victim’s body, including the head, neck, and chest, and used three different weapons. Third, the persistence in attacking the victim even after she had fallen and after she managed to disarm him at various points demonstrated continued intent to cause serious harm. Fourth, the court considered the public disquiet caused by the offence, which occurred in a residential setting and involved threats and violence in open spaces. Fifth, the court treated the accused’s voluntary intoxication as an aggravating factor rather than a mitigating one, consistent with the principle that self-induced intoxication generally does not reduce culpability for violent crime.
The court also considered the “charges taken into consideration” under ss 426 and 427 of the Penal Code. While these were not proceeded with as separate convictions for sentencing, they reflected additional wrongdoing and a broader pattern of conduct directed at the victim’s husband and the victim’s living environment. The court treated this as reinforcing the overall picture of calculated intimidation and harm.
On the harm caused, the court gave weight to both physical and psychological consequences. The victim suffered multiple fractures on her skull, tendon injury, and permanent disfigurement. The court also recognised the psychological effect, including fear and flashbacks, and the public harm in the sense that the victim’s family had to relocate due to fear of revenge. These factors increased the seriousness of the offence and supported a higher sentence.
Turning to mitigation, the court considered the accused’s plea of guilt and his cooperation. The accused had pleaded guilty to attempted murder and admitted the statement of facts. The court, however, followed the approach in PP v Shoo Ah San, which the prosecution relied on, that where the offence is particularly vicious and committed in the open, the plea of guilt may carry limited mitigating value. The court also considered whether restitution and remorse were genuine and timely. The extract indicates that the prosecution argued restitution made late in the day should attract limited weight as it may not reflect genuine remorse. The court’s analysis therefore treated mitigation as present but not decisive against the gravity of the offence.
The court also addressed the accused’s mental disorder (Chronic Dysthymia) and substance dependence. While such factors may be relevant to culpability and rehabilitation, the court did not treat them as sufficient to displace deterrence and retribution in light of the planning and persistence of the violence. The court recognised that intoxication impaired judgment and self-control, but it did not accept that intoxication or mental disorder eliminated responsibility for the deliberate preparation and execution of the attack.
Finally, the court calibrated the sentence by reference to sentencing precedents after amendments to s 307(1) of the Penal Code. The prosecution submitted that sentences in the range of 16 to 18 years’ imprisonment and five to six strokes of the cane were consistent with PP v Ravindran Annamalai, PP v BPK, and Shoo Ah San. The court’s reasoning reflects that it used these cases as benchmarks to ensure consistency and proportionality, while adjusting for the specific aggravating and mitigating features of the accused’s conduct.
What Was the Outcome?
The High Court upheld the sentencing approach that placed substantial weight on deterrence and retribution. Given the high degree of premeditation, the viciousness and persistence of the attack, the severe physical injuries, and the lasting psychological and public impact, the court found that the sentence of 16 years’ imprisonment and five strokes of the cane was appropriate.
Accordingly, the appeal against sentence was dismissed, and the practical effect was that the accused continued to serve the custodial term and undergo the caning component imposed by the trial court, subject to the usual procedural and administrative arrangements for the execution of corporal punishment.
Why Does This Case Matter?
This decision is significant for practitioners because it reinforces the sentencing principles applicable to attempted murder under s 307(1) of the Penal Code. The court’s analysis demonstrates that where an attempted murder is carried out with planning and preparation, and where the violence is sustained and directed at vulnerable parts of the body, deterrence and retribution will ordinarily remain dominant sentencing objectives.
For defence counsel, the case illustrates the limits of mitigation based on plea of guilt and personal circumstances in the face of extreme violence. Even where an accused cooperates and expresses remorse, the court may accord limited weight to a plea of guilt if the offence is particularly vicious and committed in a manner that demands a strong general deterrent signal. Similarly, mental disorder and substance dependence may be relevant, but they will not necessarily reduce sentence where the offender’s conduct shows deliberate preparation and persistence.
For prosecutors and sentencing judges, the case provides a structured approach to identifying aggravating factors: planning and preparation, persistence after the victim is disarmed or falls, use of multiple weapons, targeting of vulnerable body parts, and the broader public impact of the offence. It also confirms that voluntary intoxication will often be treated as aggravating in violent offences, particularly where the intoxication is self-induced and does not negate the offender’s intent or preparation.
Legislation Referenced
- Penal Code (Cap 224, 2008 Rev Ed), s 307(1) (attempted murder)
- Penal Code (Cap 224, 2008 Rev Ed), s 426 (mischief by defiling or rendering harmless any vehicle, etc.)
- Penal Code (Cap 224, 2008 Rev Ed), s 427 (mischief by destroying or rendering useless any movable property, etc.)
Cases Cited
- Public Prosecutor v Shoo Ah San [2021] SGHC 251
- Public Prosecutor v Ravindran Annamalai [2013] SGHC 77
- Public Prosecutor v BPK [2018] 5 SLR 755
Source Documents
This article analyses [2025] SGHC 78 for legal research and educational purposes. It does not constitute legal advice. Readers should consult the full judgment for the Court's complete reasoning.