A woman who killed her in-laws with toxic mushrooms allegedly poisoned her spouse too

Rachel Treisman

August 08, 2025 / 10:59 am

Erin Patterson was convicted last month of killing her in-laws with a meal laced with toxic mushrooms. But freshly unsealed evidence reveals new details about the Australian woman's case, including her estranged husband's allegations that she poisoned his food on multiple occasions before that fateful lunch.

Patterson, a 50-year-old mother of two, was found guilty last month of three counts of murder and one count of attempted murder in connection to a home-cooked meal she served her husband's parents, aunt and uncle in July 2023.

All four of her guests were later hospitalized with gastrointestinal symptoms, and three of them eventually died of altered l

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