Australian triple murderer Erin Patterson has lost her appeal against her convictions and has instead been re-sentenced to life in prison without parole, after Victoria’s Court of Appeal ruled her original sentence was manifestly inadequate. The Erin Patterson appeal decision, handed down on Friday morning in Melbourne, closes the prospect of release that her previous sentence had left open.
Patterson, 52, appeared by video link from prison as the three appeal judges delivered their decision. She did not visibly react as the ruling was read aloud, staring straight ahead and at times closing her eyes, according to court reporting.
FAKTA
- Decision: Victoria’s Court of Appeal dismissed Erin Patterson’s appeal against her convictions and granted the prosecution’s appeal against her sentence.
- New sentence: Life imprisonment without parole, replacing a life sentence with a 33-year non-parole period.
- Judges: Justices Stephen McLeish, Lesley Taylor and Peter Kidd.
- Convictions: Three counts of murder and one count of attempted murder over a July 2023 lunch laced with death cap mushrooms.
- Victims: Don and Gail Patterson, both 70, and Gail’s sister Heather Wilkinson, 66, died; Heather’s husband Ian Wilkinson survived after falling seriously ill.
What the Erin Patterson appeal decided
The court found it inappropriate to set a parole period for offending that was clearly a “cruel breach of trust”. Patterson’s intent to murder was sustained for nearly three weeks, from the time she invited her guests to lunch, the judges found.
Her conduct involved an “elaborate series of deceptions” and was carefully planned and deliberate, the court said. “This offending was extraordinarily cold and calculated,” Justice McLeish said on Friday, speaking on the court’s behalf.
The ruling means Patterson, who was arrested at her home on 2 November 2023 and has served just under three years in custody, will no longer have a release date. She is held at the Dame Phyllis Frost maximum-security prison.
The case behind the appeal
Patterson was convicted in 2025 after a months-long trial over a lunch at her home in Leongatha, in regional Victoria, in July 2023. The jury heard from more than 50 prosecution witnesses before Patterson herself gave evidence for eight days. After six days of deliberations, the jury returned four guilty verdicts: three counts of murder and one count of attempted murder.
The guests had been served beef Wellington laced with death cap mushrooms. Don and Gail Patterson and Heather Wilkinson died after the meal, while Ian Wilkinson, a church pastor, survived after falling gravely ill.
Why Patterson appealed — and why it failed
At the appeal hearing in August, Patterson’s lawyers argued she had suffered a substantial miscarriage of justice during her trial and that her convictions should be quashed. Barrister Richard Edney pointed to the decision to sequester jurors in the same hotel as the lead detective and prosecution team during their deliberations, which he described as “catastrophic”.
The defence also argued Patterson had been effectively forced to give evidence to show she had always had an interest in foraging for mushrooms, that cross-examination by the prosecutor had been unfair and oppressive, and that the prosecution’s closing address was problematic.
The court granted Patterson leave to appeal on two of her seven grounds, but neither challenge succeeded, and the convictions stand. Victoria’s Director of Public Prosecutions, Brendan Kissane KC, had defended the convictions while arguing that the only substantial mistake in the original sentence was the inclusion of a non-parole period.
The original sentence was imposed by Justice Christopher Beale, who jailed Patterson for life but gave her a chance at parole after 33 years served — a term the appeal court has now set aside.
What happens next
Legal experts noted after the ruling that Patterson has very few legal avenues left. A further appeal against conviction would only be possible in very rare circumstances, such as fresh and compelling evidence coming to light.
Her surviving victim, Ian Wilkinson, was not in court for the decision, while the case’s lead detective, Stephen Eppingstall, was present and declined to comment to media afterwards.
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