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.

An Australian woman has been found guilty of murdering three relatives and attempting to murder another by feeding them a lunch laced with death cap mushrooms, bringing to a close a two-month trial replete with family drama,