Dr. Chris Webster at Leongatha Hospital identified a case of mushroom poisoning shortly after Erin Patterson presented herself as a patient, linking her to the toxic meal served at her home. His testimony played a crucial role in her conviction for murder and attempted murder, highlighting the darker side of trust and familial relationships.
Medical Evidence Contributes to Conviction: The Mushroom Murder Case in Victoria

Medical Evidence Contributes to Conviction: The Mushroom Murder Case in Victoria
A rural doctor exposes toxic mushroom poisoning in a murder trial, revealing key evidence that leads to Erin Patterson's conviction for the deaths of her in-laws and attempted murder of a local pastor.
In a gripping case that has captivated Australia, Dr. Chris Webster from Leongatha Hospital shared his harrowing experience during the trial of Erin Patterson, who has been accused of deliberately poisoning her in-laws and a family associate with toxic mushrooms disguised in a beef Wellington.
Dr. Webster quickly surmised that something sinister was at play upon treating the Wilkinsons, who exhibited severe gastroenteritis symptoms shortly after a dinner at Patterson’s home in July 2023. While initially suspecting food poisoning, his perspective shifted dramatically after a call from Dandenong Hospital revealed the real danger: Death Cap mushrooms.
"This was not about the meat, but about the mushrooms, and their condition was rapidly deteriorating," Dr. Webster testified. The urgency propelled him to change his treatment approach and prepare for the transfer to specialist care.
When Erin Patterson arrived at the hospital, she casually claimed that the mushrooms had come from Woolworths – a claim that raised immediate suspicion for Dr. Webster. “The answer felt fabricated,” he said, noting that many locals foraged for wild mushrooms without issue. Significantly unnerving was Erin’s demeanor; instead of expressing concern for her relatives, she showcased an alarming nonchalance.
After her brief hospital visit, Patterson discharged herself against medical advice. Dr. Webster reported his concerns to law enforcement about her potential exposure to a deadly toxin. He recounted their brief encounter, marked by Patterson’s failure to express worry for her ailing guests.
In court, Patterson claimed that her actions were misunderstood, asserting that she was overwhelmed rather than culpable. However, Dr. Webster’s observations and the evidence of toxic mushroom poisoning among her dinner guests played a pivotal role in the jury's decision.
Following the trial, Patterson was convicted of the murders of Don and Gail Patterson, both aged 70, and 66-year-old Heather Wilkinson, along with attempting to murder Ian Wilkinson. Dr. Webster expressed a surge of emotion at the verdict, stating it was a relief to see justice served, particularly as Ian Wilkinson, who required a liver transplant after the poisoning, was now recovering.
As the community grapples with the aftermath of these events, Dr. Webster stands as a testament to the critical role healthcare professionals play in uncovering uncomfortable truths within familial ties.