Welcome to Day 11 of Erin Patterson’s Triple Murder Trial
Today’s proceedings are set to start shortly after 10:30 a.m.
The defense is expected to carry on with the cross-examination of mushroom specialist Dr. Thomas May, who began his testimony on Tuesday.
Patterson, aged 50, faces three murder charges alongside one of attempted murder, all in connection to a beef wellington lunch she hosted at her home in Leongatha, Victoria on July 29, 2023.
She is accused of killing her in-laws, Don and Gail Patterson, as well as her estranged husband’s aunt, Heather Wilkinson. The attempted murder charge pertains to Heather’s husband, Ian.
Patterson has pleaded not guilty. The prosecution claims she intentionally poisoned her guests with malicious intent, while her legal team argues the incident was an unfortunate accident.
Recap of Day 10 of the Trial
In the lead-up to today’s session, here’s what the jury learned during the tenth day of the trial:
- Dr. Laura Muldoon, who treated Patterson at Monash Medical Centre, observed that she appeared “clinically well” just two days after the meal.
- Medical tests indicated that Patterson had no signs of liver toxicity before her discharge on August 1.
- Jurors were shown photographs depicting the remnants of the ill-fated beef wellington, which included pastry encasing a brown paste, along with leftover portions.
- Dr. Thomas May, an internationally recognized mycologist, mentioned that he previously reported sightings of death cap mushrooms on a “citizen science” platform called iNaturalist, including various photos and geographical data but omitting exact locations.
Details from Dr. Thomas May’s Testimony
Continuing his testimony, Dr. May noted that death cap mushrooms are most commonly documented in May and acknowledged three known sightings in the Gippsland area. He emphasized the significance of citizen science platforms for reporting such mushrooms.
Cross-Examination Insights
During the defense’s cross-examination, Dr. May agreed that public mushroom identification is challenging and that misidentification cases occur frequently. “Apprenticeships are important,” he remarked, acknowledging the lengthy process needed to accurately identify wild mushrooms.





