An Australian woman murdered her husband's parents and aunt by lacing their beef Wellington lunch with toxic mushrooms, a jury found.

After a ten-week trial, a jury found Erin Patterson guilty of murdering three relatives with poisonous mushrooms.

After a ten-week trial, a jury found Erin Patterson guilty of murdering three relatives with poisonous mushrooms.

Erin Patterson, 50, found guilty of murdering her estranged husband's parents and aunt with poisonous mushrooms.

An Australian woman has been found guilty of murder and attempted murder after a lengthy trial ... where she was accused of poisoning her estranged...

An Australian woman has been found guilty of murder and attempted murder after a lengthy trial ... where she was accused of poisoning her estranged...

Australian woman Erin Patterson was found guilty of murder using death cap mushrooms

Erin Patterson served four relatives of her estranged husband a lunch made with death cap mushrooms, after which three of them died.

A 12-person jury found Erin Patterson guilty of triple murder, and attempting to murder a fourth guest.

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