Death cap mushrooms were at the center of an Australian murder trial. What are death cap mushrooms, and why are they so deadly?

Erin Patterson hosted four of her estranged husband's relatives for lunch in July 2023. Three of them later died of death cap mushroom poisoning. Nearly two years later, a jury has found her guilty.

Erin Patterson, a 50-year-old mother of two, was found guilty of murdering three relatives and attempting to kill a fourth by feeding them a lunch laced with death cap mushrooms at her home in 2023.