AI-generated summaries. Not legal advice. Always verify against the official judgment on NSW Caselaw.
← All decisions
Supreme Court 8 June 2006

R v Barton

[2006] NSWSC 1495

Assault & violenceHomicide
CHARGE OF MURDER

Citation: R v Barton [2006] NSWSC 1495
Court: Supreme Court of New South Wales
Date: 8 June 2006
Judge(s): Buddin J

Background

The accused was charged with the murder of a man referred to as M., the murder of M.'s four-year-old daughter N., and the attempted murder of M.'s five-year-old son J. The charges arose from events in early September 2004 at a residential address in Springdale Heights, near Albury. M. was found dead with a gunshot wound in a house that had been deliberately set alight, and N.'s body was also found in the ruins.

The accused admitted to shooting M. but maintained he acted in self-defence during an argument in which M. had allegedly produced a firearm. His position on the fire charges was that he did not start the fire and disputed that it had been deliberately lit at all.

The Crown's case was that M. had been blackmailing the accused for some years, which provided a motive for the killing. The specific subject matter of that blackmail was the legal issue in dispute: the accused objected to the Crown tendering evidence revealing what M. allegedly held over him.

  • Whether evidence concerning the subject matter of the blackmail was admissible to establish motive for M.'s murder.
  • Whether that evidence was also relevant to the counts involving N. and J. (the fire-related charges).
  • Whether any probative value of the evidence was outweighed by the danger of unfair prejudice to the accused, under section 137 of the Evidence Act.

Decision

Buddin J upheld the objection and excluded the evidence. The Crown argued that the subject matter of the blackmail was necessary to explain the motive for the killing and to give the jury a full picture of the relationship between the accused and the deceased. However, the court found that the relationship between the two men could be adequately conveyed to the jury through other evidence, without exposing the jury to the specific and potentially inflammatory content of what M. had allegedly used to exert leverage.

The evidence in question suggested the accused had previously engaged in sexually exploitative conduct involving a young person. Buddin J found there was a real risk that a jury, even if directed otherwise, would reason impermissibly from that material: treating someone who had behaved in a morally repugnant way toward one young person as therefore more likely to have committed the alleged conduct against the two children in the fire-related counts. That risk engaged section 137 of the Evidence Act, which requires a court to refuse evidence whose probative value is outweighed by the danger of unfair prejudice to the defendant.

The court also rejected the Crown's further argument that the evidence might become relevant if provocation were raised as a defence. Counsel for the accused indicated provocation might arise depending on how the evidence unfolded, but Buddin J was not persuaded that this possibility, standing alone, was sufficient to alter the section 137 analysis.

Orders Made

  • The objection to evidence concerning the subject matter of the blackmail was upheld.

Key Takeaways

  • Under section 137 of the Evidence Act, a court must exclude prosecution evidence where its probative value is outweighed by the danger of unfair prejudice to the defendant, even where the evidence is logically relevant to motive.
  • Buddin J found that the nature of the relationship between an accused and a deceased can often be established through other evidence, reducing the necessity of tendering the most prejudicial details of that relationship.
  • Where impugned evidence carries a substantial risk of inviting a jury to engage in propensity reasoning across separate counts, that risk weighs heavily against admission under section 137.
  • Prior discreditable or criminal acts may be admissible where they genuinely illuminate a fact in issue, but the authorities on that principle did not assist the Crown here, where sufficient relationship evidence existed independently of the contested material.
  • The mere possibility that a particular defence (such as provocation) might be raised during trial is not, without more, a sufficient basis to admit otherwise prejudicial evidence at the outset.

Legislation and Cases Referenced

Legislation:
- Evidence Act (NSW), section 137

Cases:
- Harriman v The Queen (1989) 167 CLR 590
- R v Blick (2000) 111 A Crim R 326
- R v Clark [2001] NSWCCA 494
- R v Kovacs (2000) 111 A Crim R 374
- R v Quach [2002] NSWCCA 519