Erin Patterson, the Australian woman convicted of murdering three family members with a poisonous mushroom-laced meal, has filed an appeal to overturn her guilty verdict, according to local media reports. Patterson, 51, was sentenced to life in prison with parole eligibility after 33 years for serving a toxic beef Wellington dish to her estranged husband’s parents, aunt, and uncle during a lunch at her home in 2023. The meal resulted in the deaths of three victims, while one survived. The case, which garnered global attention, saw Patterson maintain her innocence, claiming the mushrooms were accidentally included in the dish. However, a jury found her guilty of three counts of murder and one count of attempted murder in July. Patterson’s legal team has not disclosed the grounds for the appeal, but they previously argued that the notoriety of the case would lead to her prolonged isolation in prison. Meanwhile, the prosecution has challenged the sentence as ‘manifestly inadequate.’ The tragic incident unfolded amid a strained relationship between Patterson and her husband, Simon, who had declined the invitation to the fatal meal. Survivor Ian Wilkinson, whose wife was among the victims, described the profound grief and silence left in the wake of the crime. Death cap mushrooms, the lethal fungi used in the poisoning, are known for their deceptive sweetness and resemblance to edible varieties.