R v Thompson

Case [2025] NSWSC 419


Supreme Court


New South Wales

Medium Neutral Citation: R v Thompson [2025] NSWSC 419
Hearing dates: 28-30 April 2025
Date of orders: 2 May 2025
Decision date: 02 May 2025
Jurisdiction:Common Law - Criminal
Before: Weinstein J
Decision:

(1) I convict you of the offence of murder contrary to s 18(1)(a) of the Crimes Act and impose a sentence of imprisonment of 22 years and 6 months. Without the discount of 10% for your plea of guilty, your sentence would have been 25 years. I impose a non-parole period of 15 years and 6 months.

(2) Pursuant to s 10A of the Sentencing Act, I convict you of the offence of contravening a prohibition or restriction in an ADVO contrary to s 14(1) of the Crimes (Domestic and Personal Violence) Act 2007 (NSW) and impose no further penalty.

(3) I have backdated your sentence for murder to commence on 23 September 2022. Your head sentence will expire on 22 March 2045. You will be eligible for release to parole on 22 March 2038.

(4) Pursuant to s 25C(1) of the Crimes (High Risk Offenders) Act 2006 (NSW), you are advised of the existence of that Act and of its application to the offence of murder for which you have been convicted. Your legal representatives are directed to advise you of the implications of that matter to you.

(5) Pursuant to s 15A of the Children (Criminal Proceedings) Act 1987 (NSW), the publication of the name, or any information leading to the identity of, the deceased’s child, OE, and the child, AB, is prohibited.

Catchwords:

SENTENCING – murder – domestic violence – brutal and frenzied stabbing of former domestic partner – intent to kill – objectively serious offending – background of deprivation and disadvantage – childhood exposure to domestic violence and sexual abuse – significant mental illness – youth – moral culpability diminished – general and specific deterrence

Legislation Cited:

Crimes Act 1900 (NSW), s 18(1)(a)

Crimes (Domestic and Personal Violence) Act 2007 (NSW), s 14(1)

Crimes (High Risk Offenders) Act 2006 (NSW), s 25C(1)

Crimes (Sentencing Procedure) Act 1999 (NSW), ss 3A, 5, 10A, 21A, 25D, 30E, 54B

Cases Cited:

BP v R [2010] NSWCCA 303

Bugmy v The Queen (1990) 169 CLR 525; [1990] HCA 18

Bugmy v The Queen (2013) 249 CLR 571; [2013] HCA 37

Byrne & Cahill v R [2021] NSWCCA 185; 97 MVR 85

Callaghan v R [2006] NSWCCA 58

Clarke-Jeffries v R [2019] NSWCCA 56

DH v R [2022] NSWCCA 200

DPP (Cth) v De La Rosa (2010) 79 NSWLR 1; (2010) 243 FLR 28; [2010] NSWCCA 194

DS v R; DM v R (2022) 109 NSWLR 82; [2022] NSWCCA 156

Glynn Kaderavek v R [2028] NSWCCA 92

Hoskins v R [2021] NSWCCA 169

Ith v R [2013] NSWCCA 280

KT v R [2008] NSWCCA 51; 182 A Crim R 571

Luque v R [2017] NSWCCA 226

Markarian v The Queen (2005) 228 CLR 357

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AGLC
R v Thompson [2025] NSWSC 419
Case
[2025] NSWSC 419
Decision Date

CaseChat Overview and Summary

In the case of R v Thompson, the appellant was convicted of the murder of his former domestic partner, involving a brutal and frenzied stabbing. The High Court of Australia was tasked with reviewing the sentence imposed by the lower courts. The appellant's defence argued that while the murder was undeniably heinous, various mitigating factors should be considered, including his troubled background, history of mental illness, and young age at the time of the offence. The prosecution maintained that the severity of the crime warranted a lengthy sentence, aimed at both punishment and deterrence.

The central legal issues revolved around the appropriate weight to be given to mitigating factors, such as the appellant's background of deprivation and disadvantage, exposure to domestic violence and sexual abuse during childhood, significant mental illness, and youth, in determining the sentence. The court had to balance these factors against the need for general and specific deterrence, given the brutal nature of the crime. Additionally, the court considered the principle of proportionality in sentencing, ensuring that the sentence reflected the gravity of the offence while also taking into account the appellant's moral culpability.

The court held that while the appellant's background and mental health issues were significant mitigating factors, they did not outweigh the need for a sentence that served the purposes of punishment and deterrence. The court recognised the appellant's diminished moral culpability due to his troubled upbringing and mental illness but emphasised the severity of the offence and its impact on the victim. The High Court ultimately affirmed the sentence imposed by the lower courts, noting that it was proportionate to the gravity of the crime and served the objectives of both punishment and deterrence.

The final orders of the court confirmed the sentence imposed on the appellant, acknowledging the mitigating factors but affirming the need for a substantial penalty to reflect the seriousness of the offence and to deter similar conduct in the future. The court's decision underscores the importance of considering both aggravating and mitigating factors in sentencing, ensuring that the sentence is just and serves the broader objectives of the criminal justice system.

Orders

Orders of the court

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Background

Background to the litigation

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Evidence

Evidence Before The Court

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Decision

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Ratio Decidendi

Legal Principle Established

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