A woman accused of murdering her ex-husband’s family by poisoning their lunch with death cup mushrooms searched the deadly ingredient online before their deaths, a court has heard.

Erin Patterson is charged with three counts of murder after her former in-laws, Don and Gail Patterson, and Gail’s sister Heather Wilkinson died in hospital in July 2023.

She has also been accused of attempting to murder Heather’s husband Ian, who was the only one to have survived the meal.

They were suspected of eating poisonous mushrooms after eating a beef wellington meal cooked by Patterson at her home in Leongatha, Victoria.

Cybercrime officer Shamen Fox-Henry said he found references to the mushrooms on Patterson’s device.

When asked if she had searched them online, she said she had ‘no specific memor

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