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District Court 30 September 2022

R v Bagster

[2022] NSWDC 614

Homicide
CRIME MANSLAUGHTER FOUR POSSIBLE CAUSES OF DEATH CAUSE OF DEATH UNKNOWN SENTENCING RELEVANT FACTORS ON SENTENCE AFTER TRIAL

Citation: R v Bagster [2022] NSWDC 614
Court: District Court of New South Wales
Date: 30 September 2022
Judge: Haesler SC DCJ

Background

The offender was convicted of the manslaughter of his partner, Jane Birch, following a retrial in March 2022. Ms Birch was last seen alive on 9 March 2011, severely affected by heroin, after being helped to her unit in Woonona. Her decomposing body was discovered on 22 March 2011, placed headfirst inside a wheelie bin near the shower recess, with her left leg tied to her waist.

The prosecution case was that the offender tied Ms Birch up while she was heroin-affected and placed her in the bin, causing her death by some combination of suffocation, positional asphyxia, drowning, or drug overdose. The forensic pathologist identified four possible causes of death but could not determine which applied. The prosecution accepted it could not prove beyond reasonable doubt that the offender intended to cause really serious injury, which is why the charge was manslaughter rather than murder.

The offender was not charged until 2019, some eight years after Ms Birch's death. A first trial in early 2021 ended with a hung jury. The retrial was delayed by the COVID-19 pandemic before proceeding efficiently in early 2022.

  • What facts could the sentencing court find, consistently with the jury's verdict, where the cause of death remained medically undetermined?
  • What standard of proof applies to aggravating and mitigating factors at sentencing following a criminal trial?
  • How should the sentence reflect the objective seriousness of the offence, the offender's moral culpability, his personal circumstances, and the significant delay between the offence and conviction?

Decision

Fact-finding after the verdict. His Honour applied the principles from Olbrich v The Queen (1999): aggravating facts must be proved beyond reasonable doubt, while mitigating facts need only be established on the balance of probabilities. Because the cause of death could not be determined, the court identified a scenario consistent with the jury's verdict rather than asserting a specific cause. His Honour found that the offender, consistent with the verdict, tied Ms Birch while she was heavily drug-affected and placed her headfirst in the bin, and that she died as a result of those acts. The court declined to rely on one disputed document (a letter found in a drawer) that the prosecution argued had been placed there to deflect suspicion, forming the contrary view after reviewing it.

Objective seriousness and moral culpability. His Honour characterised the offending as serious. Ms Birch was vulnerable due to heavy heroin use at the time. The offender had a tendency to assault and restrain her, and his actions both caused her death and demeaned her. The court noted that the offender did not seek help for Ms Birch and left her in a position from which, given the ties and the bin, she could not escape. The prosecution did not press that the offender acted with the intent required for murder, which informed the assessment of moral culpability.

Personal circumstances and delay. His Honour took into account the offender's age, mental health issues, underlying trauma, and the impact of COVID-19 on the conduct of proceedings. The long delay between the offence (2011) and the charge (2019) and trial (2021 to 2022) was also a relevant consideration. The retrial was conducted efficiently, and certain agreed facts narrowed the issues. A modest finding of special circumstances was made to extend the proportion of the sentence spent on parole, reflecting rehabilitation prospects.

Sentence. His Honour indicated the sentence would have been 12 years' imprisonment absent a discount for assistance. With that discount applied, a sentence of 11 years and 6 months was imposed, with a non-parole period of 8 years backdated to 1 October 2019.

Orders Made

  • The offender was convicted of manslaughter.
  • Total sentence of 11 years and 6 months imprisonment.
  • Non-parole period of 8 years, commencing 1 October 2019, with eligibility for parole on 30 September 2027.
  • Release to parole is contingent on good behaviour and the State Parole Authority being satisfied as to community safety.
  • A modest finding of special circumstances was made; the balance of term (parole period) is 3 years and 6 months, commencing 1 October 2027.
  • Total sentence expires 30 March 2031.

Key Takeaways

  • A sentencing court is not required to determine the precise cause of death where that cause is medically undetermined; it may instead identify a scenario consistent with the jury's verdict and sentence on that basis.
  • Under Olbrich v The Queen, aggravating facts at sentencing must be proved beyond reasonable doubt, while mitigating facts need only be established on the balance of probabilities. A sentencing judge is not obliged to accept a mitigating contention unless the prosecution disproves it beyond reasonable doubt.
  • Where multiple possible causes of death exist and a jury has not been required to agree on a single cause, the sentencing court constructs its factual findings within the range of scenarios the verdict could encompass, rather than adopting the most serious available version.
  • Significant delay between the commission of the offence and the date of sentencing is a relevant factor in the overall sentencing exercise, particularly where that delay was partly attributable to investigative timing and pandemic-related disruptions.
  • The District Court confirmed that factors such as the offender's mental health, age, underlying trauma, and the impact of COVID-19 on proceedings are relevant to sentence, but do not displace the court's obligation to impose a sentence that reflects the protection of human life and the denunciation of the offender's conduct.

Legislation and Cases Referenced

Legislation
- Crimes (Sentencing Procedure) Act 1999 (NSW)
- Evidence Act 1995 (NSW)

Cases
- Mill v The Queen (1988) 166 CLR 59; [1988] HCA 70
- Olbrich v The Queen (1999) 199 CLR 270; [1999] HCA 54
- R v Borkowski [2009] NSWCCA 102
- R v Burton [2008] NSWCCA 128
- R v Cattell [2019] NSWCCA 297
- R v Chapple NSWCCA 14/9/93, unreported
- R v Dawes [2004] NSWCCA 363
- R v Forbes [2005] NSWCCA 377
- R v Isaacs (1997) 41 NSWLR 374
- R v Todd [1982] 2 NSWLR 517
- The Queen v Kilic (2016) 259 CLR 256; [2016] HCA 48
- The Queen v Lavender (2005) 222 CLR 67; [2005] HCA 37
- Wilson v The Queen (1992) 174 CLR 313; [1992] HCA 31