
Patterson's in-laws, Don and Gail Patterson, both 70, along with Gail's sister Heather Wilkinson, 66, all fell ill and died days after the lunch in July 2023.
The prosecution claimed Ms Patterson knowingly put toxic death cap mushrooms into the home-cooked meal, before lying to police and disposing of evidence.
The defence had argued that she accidentally included the poisonous fungi in the dish and only lied because she panicked.
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