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's conviction for the deaths by poisoning of her estranged husband's relatives has prompted fevered speculation across Australia about her motive.