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Supreme Court 13 December 2016

R v Tikaram

[2016] NSWSC 1716

Homicide
CRIMINAL LAW MANSLAUGHTER SENTENCE SUBSTANTIAL IMPAIRMENT

Citation: R v Tikaram [2016] NSWSC 1716
Court: Supreme Court of New South Wales
Date: 13 December 2016
Judge: Harrison J

Background

The offender was charged with the murder of his father at their family home in Pemulwuy, Sydney, on 23 December 2014. Following an argument during which both men had been drinking, the offender repeatedly struck his father, causing fatal blunt force head trauma. The father died in hospital from his injuries.

The offender had a history of significant mental illness, including an untreated psychotic condition, post-traumatic stress disorder, and an acquired brain injury sustained in 2006 when his father struck him with a metal club-lock. Medical evidence established that at the time of the killing, the offender was experiencing active psychotic symptoms, including persecutory delusions and auditory hallucinations, and held a belief that his father was concealing meat cleavers with an intention to kill him.

The Crown accepted a plea of guilty to manslaughter on the basis of substantial impairment under s 23A of the Crimes Act 1900, rather than proceeding with the murder charge. The offender had been in custody since his arrest on the night of the offence.

  • Whether the offender's mental condition at the time of the offence satisfied the substantial impairment provisions under s 23A(1) of the Crimes Act 1900, reducing murder to manslaughter
  • What sentence was appropriate, having regard to the objective seriousness of the offence, the offender's significant mental health history, and the applicable sentencing principles
  • Whether a 25 per cent discount for an early guilty plea was warranted in circumstances where the plea followed detailed psychiatric assessment and representations to the Crown
  • Whether special circumstances justified a departure from the standard ratio of non-parole period to head sentence under the Crimes (Sentencing Procedure) Act 1999
  • Whether the offender was required to be warned of the operation of the Crimes (High Risk Offenders) Act 2006

Decision

Harrison J accepted the uncontested psychiatric evidence from two forensic psychiatrists, Dr Kerri Eagle and Professor David Greenberg. Both concluded that the offender's capacity to understand events, judge whether his actions were right or wrong, and control himself was substantially impaired by schizophrenia, compounded by post-traumatic symptoms and cognitive deficits arising from the earlier brain injury. That impairment was of sufficient weight to reduce his liability from murder to manslaughter under s 23A.

The court applied the sentencing principles relevant to mental illness, drawing on R v Engert and R v Blacklidge. His Honour acknowledged that, while mental illness may reduce moral culpability, general deterrence and the protection of the community remain relevant considerations. However, the offender's profound psychiatric vulnerability, the background of prolonged family violence, and his prospects of rehabilitation with ongoing treatment were weighty mitigating factors.

A 25 per cent discount was applied for the early plea of guilty. The court accepted that the delay in formalising the plea was attributable to the time needed for psychiatric assessment and representations to the Crown, not any dilatoriness on the offender's part. The plea was treated as having been offered at the earliest available opportunity.

Special circumstances were found to exist. The court considered it essential that the offender receive extended supervision on parole to support his ongoing psychiatric treatment and rehabilitation. Accordingly, the non-parole period was reduced relative to the head sentence beyond the statutory default ratio.

Orders Made

  • The offender was convicted of manslaughter.
  • Sentenced to imprisonment for 6 years, commencing 23 December 2014 and expiring 22 December 2020.
  • Non-parole period of 3 years, expiring 22 December 2017, with first eligibility for parole on 23 December 2017.
  • The offender was warned of the existence and potential application of the Crimes (High Risk Offenders) Act 2006.

Key Takeaways

  • Under s 23A(1) of the Crimes Act 1900, a person otherwise guilty of murder is not to be convicted of that offence where, at the relevant time, their capacity to understand events, judge the wrongness of their actions, or control themselves was substantially impaired by an abnormality of mind arising from an underlying condition.

  • Where psychiatric impairment is the foundation for a reduced charge, sentencing courts must weigh the diminished moral culpability this reflects against the continuing relevance of community protection and general deterrence, consistent with the principles in R v Engert and R v Blacklidge.

  • A guilty plea to manslaughter that followed necessary psychiatric evaluation and successful Crown representations was treated as having been entered at the earliest relevant opportunity, attracting the full 25 per cent discount.

  • Special circumstances within the meaning of the Crimes (Sentencing Procedure) Act 1999 can be established where an offender's mental health condition makes extended parole supervision particularly important to safe rehabilitation and community reintegration.

  • Sentencing courts are required by s 25C(1) of the Crimes (High Risk Offenders) Act 2006 to warn an offender who has committed a "serious violence offence" of the Act's existence, even where, as here, the court expressly hopes the Act's extended supervision or detention provisions will not be invoked.

Legislation and Cases Referenced

Legislation
- Crimes Act 1900 (NSW), s 23A (substantial impairment by abnormality of mind)
- Crimes (Sentencing Procedure) Act 1999 (NSW)
- Crimes (High Risk Offenders) Act 2006 (NSW), s 25C(1)

Cases
- R v Blacklidge (unreported, 12 December 1995, NSWCCA)
- R v Engert (1995) 84 A Crim R 67
- R v Green [1999] NSWCCA 97