Australian triple-murderer Erin Patterson has been sentenced to life in prison with a non-parole period of 33 years for poisoning four of her estranged husband’s relatives with death cap mushrooms.

Justice Christopher Beale told the Victoria state Supreme Court Patterson’s crimes involved an enormous betrayal of trust.

Patterson, 50, was convicted in July of murdering Don and Gail Patterson and Gail’s sister, Heather Wilkinson, with a lunch of beef Wellington pastries laced with foraged death cap mushrooms.

She was also convicted of attempting to murder Heather’s husband Ian Wilkinson, who spent weeks in a hospital.

Patterson’s estranged husband, Simon Patterson, was invited but did not attend the July 2023 lunch served to her parents-in-law and her estranged husband’s aunt and uncl

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