Citation: R v Brown [2015] NSWSC 236
Court: Supreme Court of New South Wales
Date: 16 April 2015
Judge: Mathews AJ
Background
The accused was charged with the murder of his sister, with whom he shared a house in Bulli, New South Wales. In the early hours of 3 January 2014, while his sister was asleep, he entered her bedroom and inflicted two fatal stab wounds. He then attempted to take his own life before driving to a police station in the early morning, where he surrendered covered in blood.
In the period leading up to the killing, the accused had a documented history of serious mental illness. He had been admitted to Wollongong Hospital on multiple occasions in 2013, receiving diagnoses ranging from delusional disorder to schizophrenia, and had been non-compliant with antipsychotic medication. At the time of the killing, he held a fixed paranoid belief that both he and his sister were about to be murdered by unknown assailants.
The accused pleaded not guilty on the ground of mental illness. By consent, the proceedings were conducted as a judge-alone trial. Both the Crown and defence tendered documents and called brief oral evidence from two psychiatrists; both sides agreed that the only appropriate verdict was the special verdict of not guilty by reason of mental illness.
Legal Issues
- Whether the Crown had proved beyond reasonable doubt the physical act of killing and the relevant mental element for murder.
- Whether the defence of mental illness was established on the balance of probabilities, applying the McNaghten Rules as received into Australian law.
- Specifically, whether the accused's mental illness deprived him of the capacity to know that what he was doing was wrong at the time of the killing.
Decision
Mathews AJ was satisfied beyond reasonable doubt that the accused did kill his sister and that the relevant mental element for murder was present. The act of killing was not in dispute, and the accused's own statements to police made the facts clear.
The central question was whether the defence of mental illness succeeded. Under the McNaghten Rules, a defendant must establish, on the balance of probabilities, that at the time of the act they were suffering from a disease of the mind such that they either did not know the nature and quality of their act, or did not know that what they were doing was wrong. The relevant authorities, including R v McNaghten (1843), The King v Porter (1933), and Hawkins v The Queen (1994), confirm that "wrong" in this context means wrong by the ordinary standards of reasonable people.
The psychiatric evidence was uncontested. At the time of the killing, the accused was in the grip of a severe psychotic episode. He genuinely believed he was protecting his sister from a far worse fate at the hands of imaginary persecutors. His delusional state deprived him of any capacity to appreciate that killing her was morally wrong by the standards of reasonable people. Both psychiatrists agreed on this conclusion, and Mathews AJ accepted it.
The court entered the special verdict of not guilty by reason of mental illness, noting expressly that this verdict does not mean the accused did not kill the deceased. It means that, because of the severity of his mental illness at the time, he cannot be held criminally responsible for his actions. No sentence was imposed. The court referred the matter to the Mental Health Review Tribunal and noted that the accused would remain in detention indefinitely until that body determined, on the basis of ongoing reviews, that his release would not seriously endanger himself or the public.
Orders Made
- The accused be detained by the Department of Corrective Services until released by due process of law.
- The Registrar notify the Minister of Health of the judgment and orders.
- The Registrar notify the Mental Health Review Tribunal of the judgment and orders, and provide the Tribunal with a copy of the reasons and orders, a transcript of the proceedings, and a copy of the exhibits tendered at the hearing.
Key Takeaways
- The Supreme Court confirmed that the McNaghten Rules remain the applicable test for the defence of mental illness in New South Wales: the accused must establish, on the balance of probabilities, a disease of the mind that caused them either not to know the nature and quality of their act, or not to know it was wrong by the ordinary standards of reasonable people.
- A special verdict of not guilty by reason of mental illness carries a specific meaning: it is not an acquittal in the ordinary sense. The verdict expressly acknowledges that the accused committed the act, but holds that the severity of their mental illness negates criminal responsibility.
- Where both parties consent and expert psychiatric evidence is uncontested, a judge-alone trial under the Criminal Procedure Act 1986 provides a workable procedural framework for mental illness defences in serious criminal matters.
- Uncontested expert psychiatric evidence, accepted by the court, established that delusional beliefs rooted in acute psychosis can satisfy the "did not know the act was wrong" limb of the McNaghten Rules, even where the accused retained awareness of the physical nature of their actions.
- Following a special verdict, the Mental Health Review Tribunal assumes responsibility for ongoing review of the accused's detention, and release into the community is conditional on the Tribunal being satisfied there is no serious danger to the accused or the public.
Legislation and Cases Referenced
Legislation:
- Crimes Act 1900 (NSW)
- Criminal Procedure Act 1986 (NSW), s 132(2)
- Mental Health (Forensic Provisions) Act 1990 (NSW), s 37
Cases:
- R v McNaghten (1843) 1 ER 718
- The King v Porter (1933) 55 CLR 182
- Hawkins v The Queen (1994) 179 CLR 500
- R v Newbury [2012] NSWSC