33-Year Non-Parole Period Voided for Erin Patterson in Mushroom Murders

Erin Patterson, 52, has lost her bid to overturn the convictions for the murder of three relatives and the attempted murder of a fourth. On Friday, the Victorian Court of Appeal dismissed her appeal and determined that her life sentence should not include a non-parole period. This ruling means the 52-year-old mother of two will remain in custody for the rest of her life without a set date for eligibility to apply for parole.

The court panel, led by Justice Stephen McLeish, described the crimes as extraordinarily cold and calculated. McLeish stated that the case involved shocking criminality that required the strongest terms of denunciation. The judges agreed with the prosecution that the original sentence, which included a 33-year non-parole period, was inadequate because it allowed for the possibility of freedom.

Patterson was found guilty by a jury last year of serving beef Wellington laced with death cap mushrooms to her in-laws, Don and Gail Patterson, and Gail's sister, Heather Wilkinson. All three victims died. Ian Wilkinson, Heather's husband and a local pastor, ate the toxic meal but survived after weeks in hospital. He now suffers from ongoing health issues. Simon Patterson, Erin's estranged husband, canceled his attendance at the lunch in rural Victoria, partly due to his belief that his wife had previously tried to poison him.

Patterson was originally sentenced in September of last year. The trial judge set the 33-year non-parole period, citing the harsh conditions of the prison she would likely face. Her legal team subsequently launched an appeal in August, presenting seven distinct grounds. They argued that a hotel booking error placed the jury in the same facility as the prosecution, a key police witness, and media members, which they claimed was catastrophic for the trial's integrity.

The defense also contended that the jury was shown irrelevant and prejudicial evidence, including cell tower data linking Patterson to mushroom foraging areas and Facebook posts complaining about her in-laws. They further argued that the judge wrongly excluded evidence of Patterson's long-time hobby of mushroom foraging. The team maintained that the prosecution's five-day cross-examination of Patterson was unfair and oppressive, and that the Crown was inconsistent regarding motive.

The appeal judges rejected all seven arguments on Friday. The court's decision leaves Patterson with 28 days to decide whether she will seek a further appeal to the High Court of Australia. She currently remains in custody following the high-profile trial that concluded with her convictions for the 2023 poisonings.