AI-generated summaries. Not legal advice. Always verify against the official judgment on NSW Caselaw.
← All decisions
Supreme Court 18 November 2021

R v Hong

[2021] NSWSC 1487

HomicideDomestic & family violence
CRIMINAL LAW SENTENCING MANSLAUGHTER HAPPY NORMAL RELATIONSHIP FRENZIED KNIFE ATTACK INEXPLICABLE CRIME

Citation: R v Hong [2021] NSWSC 1487
Court: Supreme Court of New South Wales
Date: 18 November 2021
Judge(s): Hamill J

Background

The offender, a 62-year-old man, was sentenced for the manslaughter of his wife of over 30 years. The killing occurred on 11 November 2019 at their daughter's home in Berala, where the couple were minding their grandchildren. The offender stabbed his wife more than 40 times in a sudden and frenzied attack. Mrs Hong died at the scene from multiple sharp force injuries; a post-mortem confirmed 45 such injuries, including at least six penetrating stab wounds.

In the months before the killing, the offender had closed his small business and rapidly deteriorated into a severe melancholic depression, suffering debilitating insomnia and anxiety. He had been assessed at Cumberland Hospital just one week before the killing and had a private psychiatric appointment booked for the following day. The hospital had assessed him as a low risk of violence.

The prosecution originally charged the offender with murder but accepted a plea of guilty to manslaughter on the basis of the partial defence of substantial impairment by mental illness under section 23A of the Crimes Act 1900 (NSW). The murder charge was withdrawn, and the offender was committed for sentence in the Supreme Court.

  • How to weigh the purposes of sentencing, particularly the reduced weight of general deterrence where the offender suffers serious mental illness, against the need to protect the community from unpredictable violence.
  • How the partial defence of substantial impairment under section 23A affects the assessment of moral culpability and objective seriousness.
  • What non-parole period was appropriate given the significant mitigating factors (mental illness, guilty plea, no prior violence, remorse) alongside the gravity of a frenzied fatal stabbing.
  • Whether the standard ratio between the non-parole period and the head sentence should be departed from, and if so, to what extent and for what reasons.

Decision

Hamill J characterised the offending as objectively serious, noting that any unlawful taking of human life is grave and that the maximum penalty of 25 years for manslaughter must be kept in view. However, the frenzied and otherwise inexplicable nature of the attack was directly attributable to severe psychiatric illness, which substantially reduced the offender's moral culpability. The court accepted that general deterrence should not be given substantial weight in these circumstances, while emphasising that the unpredictability of the attack meant community protection remained a paramount consideration.

The court acknowledged strong mitigating factors: the absence of any prior violence in the marriage or criminal history, an early guilty plea entered in the Local Court, genuine remorse, and a prognosis that the offender's mental illness was treatable and unlikely to recur in the same form. The court also accepted that there was some, albeit uncertain, evidence of friction between the couple in the hours before the killing, which tempered but did not displace the characterisation of the marriage as generally happy.

On the question of the non-parole period, the court departed substantially from the standard statutory ratio (under which the non-parole period would normally be set at three-quarters of the head sentence). Hamill J applied the principle that where an offender's mental illness makes management and monitoring during the parole period particularly important, an extended balance of sentence is justified. The court relied on psychiatric evidence that ongoing supervision after release would be critical to community protection and the offender's own rehabilitation.

The court imposed a total sentence of six years with a non-parole period of two years and six months, representing a significantly larger-than-usual balance of sentence. Hamill J made a recommendation that the offender be released at the expiration of the non-parole period, and noted the applicability of the Crimes (High Risk Offenders) Act 2006 (NSW) upon completion of the sentence.

Orders Made

  • The offender was convicted of manslaughter and sentenced to a non-parole period of 2 years and 6 months, commencing 11 November 2019 and expiring 10 May 2022.
  • A balance of term of 3 years and 6 months was imposed, expiring 10 November 2025.
  • The court recommended release on parole at the expiration of the non-parole period.
  • The court noted the application of the Crimes (High Risk Offenders) Act 2006 (NSW) to the offence and directed the offender's legal advisers to inform him of possible orders under that Act upon expiration of the sentence.

Key Takeaways

  • Where an offender's mental illness substantially impairs responsibility for a killing, general deterrence carries reduced weight in sentencing, but the unpredictability of violence driven by psychiatric illness means community protection remains a central sentencing consideration.
  • The partial defence of substantial impairment under section 23A of the Crimes Act 1900 (NSW) does not merely convert a murder to manslaughter procedurally; it materially affects the assessment of moral culpability and shapes the overall sentencing exercise.
  • A substantial departure from the standard three-quarters non-parole period ratio can be justified where psychiatric evidence establishes that ongoing supervision during a parole period is critical to both community protection and the offender's rehabilitation.
  • Acceptance of a guilty plea at an early stage, in the Local Court, remains a significant mitigating factor even in cases involving serious violence, and courts continue to give meaningful weight to genuine remorse and the absence of any prior history of violence.
  • Sentences imposed for manslaughter where substantial impairment is established are highly fact-specific; this decision does not establish a benchmark, but illustrates the range of considerations, including the Crimes (High Risk Offenders) Act 2006 (NSW), that may be engaged after sentencing is complete.

Legislation and Cases Referenced

Legislation:
- Crimes Act 1900 (NSW), s 23A (substantial impairment by mental illness)
- Crimes (Sentencing Procedure) Act 1999 (NSW), ss 3A, 21A, 25D, 44, 54A
- Crimes (High Risk Offenders) Act 2006 (NSW), s 25C

Cases:
- Cargnello v Director of Public Prosecutions (Cth) [2012] NSWCCA 162; (2012) 266 FLR 464
- FL v R [2020] NSWCCA 114
- PK v R [2012] NSWCCA 263
- R v Keceski (Court of Criminal Appeal (NSW), Mahoney JA, 10 August 1993, unreported)
- R v Reid (No 2) [2021] NSWSC 475
- State of New South Wales v Nikua (Final) [2021] NSWSC 1240
- Tepania v R [2018] NSWCCA 247; (2018) 275 A Crim R 233
- Veen v R (No 2) [1988] HCA 14; (1988) 164 CLR 465