Australian woman Erin Patterson has been found guilty of murdering three of her estranged husband’s relatives, who died after she deliberately served them poisonous mushrooms for lunch.

Erin Patterson, the Australian woman accused of killing three relatives with a meal of death cap mushrooms baked in a Beef Wellington lunch, has been found guilty of three counts of murder and the attempted murder of the lone survivor.

Here are the key facts in the case. Erin Patterson, 50, was charged with the murders of her mother-in-law Gail Patterson, father-in-law Donald Patterson and Gail's sister, Heather Wilkinson, along with the attempted murder of Ian Wilkinson, Heather's husband.