Erin Patterson, who was convicted of murdering three guests with poisoned beef Wellingtons, is seeking to overturn her convictions. Her appeal began Wednesday in the Victorian Court of Appeal, nearly a year after she was sentenced to life in prison.
Patterson's legal team argues that she experienced a "substantial miscarriage of justice" during her trial. They cite concerns regarding the "unfair and oppressive" cross-examination she faced, the prosecutor's closing address, and the implication that Patterson had a motive to kill.
Further irregularities, according to the defense, include the sequestering of jurors in the same hotel as police and prosecution staff during deliberations. Patterson's lawyers contend this compromised the integrity of the jury's verdicts and warrants the quashing of her convictions.
Patterson, 51, was found to have deliberately served beef Wellingtons contaminated with death cap mushrooms to her former in-laws, Don and Gail Patterson, both 70, and Gail's sister Heather Wilkinson, 66. The three died following a lunch at Patterson's home in Leongatha, regional Victoria, in July 2023. Heather Wilkinson's husband, Ian Wilkinson, also fell seriously ill but survived.
Patterson was also convicted of attempted murder in relation to Mr. Wilkinson.
In a separate but related action, prosecutors are appealing Patterson's sentence, arguing that her 33-year non-parole period is "manifestly inadequate." They had initially sought a sentence of life without parole, but Justice Christopher Beale of the Victorian Supreme Court cited Patterson's difficult prison conditions, including extensive solitary confinement, when allowing for the possibility of release in her 80s.
Patterson's appeal hearing is scheduled to last two days. She is not expected to attend in person and will reportedly participate via video link from prison.