• Ian Wilkinson, the sole survivor of the mushroom poisoning lunch, testified about the events, including the food served, the onset of illness, and the hospital treatment.
• Evidence presented includes claims that Patterson made a false cancer diagnosis and bragged about lacing food with powdered mushrooms in a Facebook group.
• The trial hinges on whether Patterson intentionally poisoned the guests, with the defense arguing the deaths were a tragic accident.

The trial of Erin Patterson is ongoing in Australia, focusing on a lunch she hosted on July 29, 2023. The meal, a beef Wellington, allegedly contained death cap mushrooms, leading to the deaths of three guests: Gail Patterson, Don Patterson, and Heather Wilkinson. Ian Wilkinson, Heather's husband, survived after weeks of intensive care. Patterson has pleaded not guilty to three counts of murder and one of attempted murder. The prosecution is attempting to prove intent, while the defense claims the incident was a tragic accident.

• What: Erin Patterson is on trial for allegedly poisoning four people with death cap mushrooms served in a beef Wellington at a lunch in July 2023. Three guests died, and one survived. Key evidence includes testimony from the survivor, claims of a false cancer diagnosis, and Patterson's online activity.
• Who: Key individuals include Erin Patterson (the accused), Ian Wilkinson (the survivor), Heather Wilkinson (deceased), Don and Gail Patterson (both deceased), and Simon Patterson (Erin's ex-husband).
• When: The lunch took place on July 29, 2023. The trial commenced in May 2025.
• Where: The lunch was held at Erin Patterson's home in Leongatha. The trial is taking place in Morwell, Victoria, Australia.

The trial is centered around determining Erin Patterson's intent. The prosecution is building a case based on circumstantial evidence, including Patterson's alleged false cancer claim, her reluctance to allow guests in the pantry or help with plating, and her Facebook activity where she seemingly bragged about using powdered mushrooms in food. The defense argues that the deaths were a tragic accident, and there was no intention to harm anyone. The different colored plate Patterson allegedly used is also a point of contention. The outcome of the trial will likely depend on whether the jury believes the prosecution has proven intent beyond a reasonable doubt.

"We were happy to be invited. It seemed like maybe our relationship was going to improve."

"I've been hiding powdered mushrooms in everything. Mixed it into chocolate brownies yesterday, the kids had no idea"

"It wasn't an impression. She plainly said she had some sort of cancer"

The Erin Patterson trial is ongoing, with significant testimony and evidence presented. The key question remains whether the deaths were the result of intentional poisoning or a tragic accident. The jury will need to weigh the evidence carefully, considering the survivor's testimony, the alleged Facebook posts, and the differing accounts of the events. The outcome will have significant legal and personal ramifications for all involved.