Explosive new claims have emerged about Erin Patterson’s life behind bars, with a former cellmate of the convicted triple murderer painting a grim picture of her behaviour inside the Dame Phyllis Frost Centre.

Patterson, 50, was found guilty in July of three counts of murder and one count of attempted murder, after serving a beef Wellington laced with deadly death cap mushrooms to members of her estranged husband’s family.

She is due back in court on Monday, where she will come face-to-face with her sole surviving victim, Ian Wilkinson, and relatives of the three people she murdered - Heather Wilkinson and Don and Gail Patterson.

Since her arrest in November 2023, Patterson has been held in the Murray Unit, a protective section of the maximum-security women’s prison in Ravenhall, outsid

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