She Lied About Cancer, Then They Died

A family lunch invitation, a claim of terminal illness, and a plate of beef Wellington. What began as an ordinary afternoon gathering has spiraled into one of Australia’s most sensational murder trials.

A Lunch That Turned Lethal

On July 29, 2023, four guests gathered at Erin Patterson’s home in Leongatha, a rural town southeast of Melbourne. On the surface, it was a heartfelt family meal. Erin had told her former in-laws - Don and Gail Patterson - and relatives Ian and Heather Wilkinson that she had been diagnosed with cancer and needed their advice on how to tell her children.

Instead, prosecutors allege she used that story as a ruse not only to ensure the adults showed up but also, more disturbingly, to keep her children away. According to investigators, Erin served beef Wellington laced with death cap mushrooms. Within days, Don, Gail, and Heather were dead. Ian, a retired pastor and the only survivor, was hospitalized in critical condition.

A Chilling Backstory

This wasn’t the first time prosecutors claimed Erin had tried to poison someone. Authorities had also reportedly charged her with three counts of attempted murder of her estranged husband, Simon Patterson, under separate circumstances in the past, but prosecutors dropped those charges at the beginning of the trial.

Simon did not attend the fatal lunch, reportedly citing discomfort with the gathering. In court, he described inflammatory texts from Erin and detailed the strain in their relationship, including bitter disputes over parenting and finances.

Erin has pleaded not guilty to all charges. According to the Guardian, her lawyer, Colin Mandy, said, “She did not intend to cause any harm to anyone on that day. The defense case is this was a tragedy and terrible accident.”

Facebook Messages and a Mushroom Obsession

In court, jurors heard testimony about Erin’s online activity in the months leading up to the lunch. According to The Guardian, she shared photos of a dehydrator used for mushrooms in a private Facebook group and once bragged, “I’ve been hiding powdered mushrooms in everything” - including brownies for her kids, according to the Guardian.

She even asked the group for beef Wellington tips. Some members of the online true crime community, where she was known as “Erin Erin,” testified that they believed she was a caring mother - one who also often vented about her troubled marriage, as reported by The Guardian.

The Sole Survivor Speaks

Ian Wilkinson, the only living guest from the lunch, gave emotional testimony. He reportedly recalled offering to help serve the meal, along with Heather and Gail, but said Erin insisted on plating everything herself. He also noted she appeared “reluctant” to let anyone enter the pantry, according to Al Jazeera.

Wilkinson and Heather fell violently ill that evening, initially believing it was food poisoning. The symptoms rapidly worsened, and within days, three family members were gone.

What Happens Next?

The trial, underway at the Latrobe Valley Law Courts in Morwell, is expected to last several more weeks. Erin Patterson remains adamant the entire ordeal was an accident. Prosecutors, meanwhile, continue to present evidence they believe points to premeditation. The case remains active, and the public - both in Australia and worldwide - continues to watch closely.

References: She Lied About Cancer to Lure Family Over for Lunch - Then Served a Deadly Meal: Prosecutors | Erin Patterson’s Facebook Messages Revealed at Mushroom Trial | Sole Survivor Testifies in Mushroom Murder Trial | Timeline and Evidence in Erin Patterson Trial | Erin Patterson concocted cancer diagnosis to ensure children missed fatal mushroom lunch, murder trial hears | Erin Patterson no longer facing charges over estranged husband as mushroom murders trial begins