Erin Patterson, pictured in August 2023, was convicted final month of poisoning her estranged husband’s members of the family with demise cap mushrooms.
Marta Pascual Juanola/The Age through Getty Photographs
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Marta Pascual Juanola/The Age through Getty Photographs
Erin Patterson was convicted final month of killing her in-laws with a meal laced with poisonous mushrooms. However freshly unsealed proof reveals new particulars in regards to the Australian lady’s case, together with her estranged husband’s allegations that she poisoned his meals on a number of events earlier than that fateful lunch.
Patterson, a 50-year-old mom of two, was discovered responsible final month of three counts of homicide and one depend of tried homicide in connection to a home-cooked meal she served her husband’s mother and father, aunt and uncle in July 2023.
All 4 of her friends had been later hospitalized with gastrointestinal signs, and three of them ultimately died of altered liver operate and a number of organ failure attributable to Amanita (demise cap) mushroom poisoning. Demise cap mushrooms are among the many most toxic on the earth, and had been noticed rising close to the place Patterson lived in Leongatha, a small city about 85 miles from Melbourne.
Patterson denied intentionally placing demise cap mushrooms within the beef Wellington she served and maintained that she had no cause to harm her husband’s family members, although she admitted to mendacity about issues like foraging for mushrooms and proudly owning a meals dehydrator.
A jury convicted her after a nine-week trial full of dramatic revelations and testimony from some 50 witnesses together with Patterson herself in addition to her estranged husband Simon, who had been invited to the lunch however pulled out the night time earlier than.
What the jury did not hear, nonetheless, was that Simon Patterson — and prosecutors — consider that his spouse additionally poisoned him on a number of events in 2021 and 2022.
That is in accordance with proof that was not admitted through the trial. It was unsealed after Justice Christopher Beale lifted a gag order on Friday.
In courtroom transcripts obtained by NPR, Simon described getting sick sufficient to be hospitalized from consuming meals Erin had ready for him, together with pasta bolognese, hen korma curry and a vegetable wrap. His private physician additionally testified about what he known as the “three near-death experiences,” one in all which resulted in Simon falling right into a coma and needing to have a part of his bowel surgically eliminated.
Whereas docs could not decide the precise reason behind these episodes, Simon testified in October 2024 that he had develop into suspicious of Erin effectively earlier than she invited him and his family members to lunch. Actually, he mentioned he declined explicitly “because I thought there’d be a risk that she’d poison me if I attended.”
Erin Patterson denies intentionally poisoning Simon, and initially pleaded not responsible to a further three counts of tried homicide in reference to these incidents. She was attributable to battle them in a second trial, after a choose dominated they need to be cut up up. However prosecutors dropped these expenses — with out clarification — simply earlier than her trial started in April.
Simon alluded to these since-dropped expenses within the early days of her trial, at a second when the jury wasn’t within the room. He mentioned from the witness field that he was “half-thinking about the things I’m not allowed to talk about,” in accordance with the Australian Broadcasting Company (ABC).
“The legal process has been very difficult,” he mentioned. “Especially the way it’s progressed in terms of the charges relating to me and my evidence about that — or non-evidence now, I guess I have a lot to grieve and am grieving a lot about all this stuff here, as I’m sure you can imagine.”

Simon Patterson, pictured leaving Erin Patterson’s trial in Might, says he believes she additionally poisoned his meals on a number of events.
Martin Hold/AFP through Getty Photographs
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Martin Hold/AFP through Getty Photographs
What’s the new proof?
Simon and Erin separated in 2015 after eight years of marriage and a number of splits and reconciliations. Each testified that they remained on largely amicable phrases, co-parenting their two youngsters and even occurring holidays collectively.
Final October, when requested by Erin’s lawyer whether or not he agreed that there was “nothing untoward” about their relationship on the time of the alleged poisonings, Simon replied: “Um. If you mean by untoward anything that would indicate that she’d try and kill me, then that’s correct.”
The primary alleged incident occurred in November 2021, earlier than Erin and Simon had been attributable to take a mountain climbing journey with out the children. She introduced a Tupperware of penne bolognese over to his home whereas he was packing, and he ate it later that night time. He testified that the following morning, as their journey started, he began experiencing worsening vomiting and diarrhea and ultimately opted to go to the hospital.
“I think I felt … worse inside myself, not a specific body part,” Simon recalled. “I don’t know whether that’s the fear of the extended symptoms, or whether that was a physical thing, or both, but I … felt like I was going downhill.”
He mentioned he was handled with fluids and anti-nausea treatment and launched the following morning. Issues continued between him and Erin as regular, and some weeks later she invited him over for what he described as a household style check: She was making hen curry and needed to check out numerous ranges of spiciness.
Simon did not get sick from that meal. However he mentioned Erin made the identical curry on a tenting journey they took just a few weeks later, in Might 2022. He mentioned he assumed she was making every their most well-liked stage of spiciness however did not watch her put together the meal as a result of he was tending to the fireplace. He began exhibiting GI signs just a few hours later and went straight to the hospital.
Simon was discharged and went again to his home, however known as Erin just a few days later as a result of he wanted assist attending to the lavatory — and the following factor he remembered was waking up within the hospital. It seems he had been in a coma and had “a number of surgeries” together with getting a part of his bowel eliminated, he mentioned.
Simon mentioned he realized docs had instructed Erin — who as his spouse had the facility to make his medical selections — he would die with out surgical procedure, and even with it, demise was “likely.” He was discharged after 24 days within the hospital, and docs instructed him that they had achieved numerous exams however could not decide the reason for his sickness.
In September 2022, the Pattersons went for a stroll to catch up. Simon mentioned Erin introduced him a pre-made veggie wrap and that she ate the identical elements “minus the pita bread wrap itself.” He mentioned he started to really feel sick fairly shortly on their stroll, they usually drove to his mother and father’ home, the place they known as him an ambulance as he continued vomiting.
“Pretty soon in the ambulance journey I realized that I was starting to slur my words and then gradually as the journey went on, I lost more and more muscle function and by the end of the journey, all I could move was my neck, my tongue and lips, and I could see, so presumably my eyelids as well, I guess,” Simon later testified.
A routine stool pattern he had offered that morning — earlier than consuming the wrap — indicated no apparent micro organism or irritation in his intestines, leaving docs once more stumped as to what may have occurred.
In line with courtroom paperwork, an intensive care specialist who reviewed Simon’s medical recordsdata in 2024 mentioned the reason for signs was probably acute versus continual, and that the primary two incidents had been probably attributable to a “toxic or an infective cause.”
He couldn’t determine what these substances may have been, however mentioned Simon’s liver harm through the second sickness was not in step with typical mushroom poisoning.

Erin Patterson’s home in Leongatha, Australia, the place she served the July 2023 lunch that resulted within the hospitalizations of all 4 of her friends and the eventual deaths of three of them.
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Asanka Ratnayake/Getty Photographs
Who did Simon inform?
Simon’s private physician steered he write down all the things that occurred earlier than every of the instances he acquired sick, telling the choose, “It didn’t fit into any of my medical models that would account for all three of those things.”
Simon mentioned he realized the one commonality was that Erin had ready the meals each time. After that, Simon mentioned he modified his advance directive to take away Erin’s decision-making authority, and quietly shared his suspicions along with his physician and a few family members, together with his father.
His sister Anna-Marie Terrington testified that she had identified about Simon’s fears since 2022 and known as their dad earlier than the lunch to warning him. She mentioned he waved her off, saying one thing like “No, we’ll be OK.” Their mother and father, Donald and Gail Patterson, had been among the many lunch friends who died.
One other relative, Ruth Dubois — whose mom, Heather Wilkinson, died from the lunch and whose father, Ian Wilkinson, was the only real survivor — testified that Simon acquired a few of his members of the family collectively in a hospital chapel in August 2023, as their mother and father’ circumstances deteriorated.
“He wanted to tell us that he had suspected that his own illnesses had been a deliberate act, that he had stopped eating food that Erin had prepared, because he suspected that she might have been messing with it,” she mentioned, “and that he was really sorry that he hadn’t told … our parents before this, but he thought that he was the only person that she was targeting and that they’d be safe.”
What occurs subsequent?
Erin Patterson faces a most penalty of life in jail on every of the three homicide expenses she’s been convicted of already, plus as much as 25 years for the depend of tried homicide.
Beale, the choose, has set her two-day sentencing listening to to start on Aug. 25, the ABC reviews. Folks concerned within the case will have the ability to make sufferer affect statements, with prosecutor Jane Warren telling Beale on Friday to anticipate “a lot” of them.
Patterson’s attorneys have mentioned they may enchantment her convictions, in accordance with the Related Press. Underneath Australian regulation, they’ve till 28 days after her sentencing to formally accomplish that.