Summary
Erin Patterson has been charged with three counts of murder following the deaths of her former in-laws and their sister, believed to be caused by poisonous mushrooms in a meal she prepared in July 2023. A witness described Patterson as a true crime enthusiast, sharing her background in a Facebook forum where she was regarded as a diligent researcher. The only survivor, Heather’s husband Ian, was also allegedly targeted for attempted murder after experiencing similar symptoms consistent with mushroom poisoning.
