She was a loner with a sharp tongue and a chip on her shoulder, estranged from friends, family, and eventually, her husband. When her ex mysteriously fell gravely ill several times, no one could quite prove what happened. But what started as marital strife would soon spiral into something far darker. She had a grudge, a plan, and the perfect, lethal ingredient. This week’s episode is Erin Patterson, Australia’s Mushroom Murderer - Part 1.

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