“He then called me back and sent me a photo. He said it kind of looked like a microwave dehydrator, but wasn’t quite sure because he did not get it out of the bin,” Canty said.
Photographs shown to the court showed a black Sunbeam dehydrator inside an e-waste bin with five trays visible.
Canty said a search of the site’s business records showed the e-waste deposit was paid for at 11.35am using eftpos.
Erin Patterson is accused of murdering her parents-in-law, Don and Gail Patterson, and Gail’s sister, Heather Wilkinson, by serving them poisonous mushrooms in a beef Wellington she cooked at her Leongatha home on July 29, 2023.
The Pattersons and Heather Wilkinson died in the days after the meal from the effects of mushroom poisoning. Heather’s husband, Ian, survived after weeks in hospital.
Erin Patterson has pleaded not guilty to three charges of murder and one of attempted murder. Her lawyers have said the deaths were a terrible accident.
The trial continues.
No evidence Erin Patterson suffered cancer or poisoning: doctor
The final witness on Wednesday afternoon was Professor Andrew Bersten, an intensive care specialist.
Bersten told the court he had examined Erin Patterson’s medical records, including those from during her time at Leongatha and Monash hospitals in July and August 2023.
He found that her presentation was consistent with someone having a diarrheal illness.
He said there was no evidence he was shown that showed she had suffered from toxic poisoning, or cancer, during this same time.
When examining the results of the accused woman’s fecal specimen taken on July 31, 2023, he found no pathogens were detected.
The court heard Erin Patterson was released from hospital about 2.45pm on August 1, 2023.
Expert kept leftovers in home fridge after testing meal, court told
Earlier on Wednesday, a fungi expert from Melbourne’s Royal Botanic Gardens said that she kept the leftovers from a beef Wellington meal linked to the illness of four people in her refrigerator at home after testing the food for toxic mushrooms.
Mycologist Camille Truong told the court that she had been working at the Royal Botanic Gardens when she received a call to help identify mushrooms in the leftovers.
Camille Truong, a mycologist at the Royal Botanic Gardens, outside the Latrobe Valley Law Courts in Morwell on Wednesday.Credit: Justin McManus
On July 31, 2023, Truong said she received an email from toxicologist Laura Muldoon at Monash Health but was unable to identify the type of mushroom from the pictures, which were also shown to the jury.
“Usually with toxicologists when we discuss the case, we ask several questions that can help us identify the mushroom based on where it was found. So I asked her if she knew what the source of the mushroom was, where it was found. If the person who cooked it remembers the colour before it was cooked.
“I then told her that based on this photograph, I wouldn’t be able to give her an identification.
“[Muldoon] said they had been bought from a supermarket. And a Chinese shop, I believe.
“I did indicate to her if the mushrooms were coming from a shop or supermarket, it’s … impossible to be death cap mushrooms as they only grow in the wild.”
Through a misunderstanding, the court heard that Truong had left work early for the day before receiving a message from a receptionist telling her that a parcel of leftovers had arrived for her at her office. She then asked a colleague to drop the leftovers at her home.
Truong said the leftovers were in a large zip-lock bag when they arrived at her home, and that she set up a small microscope in her house to look at the meal.
She said she did not see any death cap mushrooms inside, and put the lunch leftovers in her fridge at home. The leftovers were later taken back to her workplace and tested again later the next day.
She told the jury the only mushrooms she could identify were field mushrooms, typically found in supermarkets.
“I was told all the mushrooms were coming from … a shop or supermarket. No foraging activity,” she said.
The leftovers were then collected by the Department of Health about 1pm on August 2, 2023, she said.
Dried death caps emit ‘very unpleasant’ smell: expert
Identifying specific mushroom species is a difficult process and can often only be confirmed in a laboratory rather than out in the field, a mushroom expert told the trial.
On Wednesday morning, mushroom expert Tom May was asked about an article he had co-authored about the accuracy of mushroom identification tools.
Mushroom expert Tom May arrives at court on Wednesday.Credit: Justin McManus
While under cross-examination by defence barrister Sophie Stafford, the mycologist agreed that accurately identifying fungi was a challenging process that often required testing under a microscope.
He said there was no obvious odour from death cap mushrooms when they were freshly picked, although they did emanate a strong smell when dried.
“My experience with death cap mushrooms is when they are first collected, there’s no particular smell, slightly sweet perhaps. I have dried death caps on a number of occasions and I find the smell to be very unpleasant,” May said.
May agreed that in the article Stafford was asking about, he had written that only 62 of the 78 mushroom photographs he had analysed as part of his report could be confidently identified as a particular species.
He agreed there was a possibility the 62 could also have been identified by error as the study looked at photographs of mushrooms, supplied to the poisons hotline, and not captured by the authors live in the wild.
May was taken through a series of photographs of mushrooms that had grown in Victoria, including in Gippsland.
Digital photographs of selected mushroom specimens included in Tom May’s study, displayed to the jury in the Erin Patterson murder trial.
He was also taken through screenshots of other mushroom images uploaded on the iNaturalist website, the state’s most popular citizen scientist website of its kind.
The images were shown to the jury on Wednesday as May was asked questions from the defence about identifying different types of mushrooms using features including the top, stem and gills of fungi.
He agreed some posts to the page were “research-grade” verified – where a number of people have supported the identification – while others, including some from the Gippsland area, were unverified observations.
In another post shown to the jury, a suspected Oudemansiella gigaspora was posted in Narbethong, north-east of Melbourne.
Digital photographs of some of the more challenging mushroom species to identify that were included in May’s study, clockwise from top left: Volvopluteus gloiocephalus, Omphalotus nidiformis, Leucoagaricus leucothites, Amanita phalloides, Bolbitius titubans, Marasmius oreades.
May agreed it had similar features to death cap mushrooms – brownish and with a smooth cap, white stem and gills.
He also agreed it was known to grow in the Gippsland area and not known to be poisonous to humans.
A screenshot of the iNaturalist page that was shown to the jury, showing a species of mushroom that is not a death cap.
The court heard that in May 2024, a woman died in Victoria after consuming death cap mushrooms she had picked from her front garden and cooked into a meal with her son.
May agreed the coroner’s office later recommended additional public awareness about the dangers of eating wild mushrooms.
He said he had since provided advice on an advertising campaign run by the Department of Health.
The jury was also shown a slide that indicated 529 death cap mushrooms had been found growing in the Royal Botanic Gardens in South Yarra between 2020 and 2023.
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