Jury members have retired to decide the fate of an Australian woman accused of murdering three members of her husband's family with a toxic mushroom-laced beef Wellington lunch.
Jurors began deliberating their verdict on 50-year-old Erin Patterson after a nine-week trial.
"You must decide whether any of her statements were untrue," Judge Christopher Beale said in his final instructions.
"You should consider all of the evidence in the case and draw reasonable conclusions based only on the evidence you accept.
"Do not guess."
Jurors must reach a unanimous verdict - guilty or not guilty - for each of the four charges Ms Patterson faces, Judge Beale said.
Ms Patterson is charged with murdering her estranged husband's parents and aunt in July 2023 by spiking their beef-and-pastry meal with death cap mushrooms - the world's deadliest fungi.
She is also accused of attempting to murder a fourth guest - her husband's uncle Ian Wilkinson- who survived after a long stay in hospital.
The 14-person jury was reduced to 12 by ballot before they started debating a verdict at the court in Morwell, southeast of Melbourne.
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They will be sequestered at night during the deliberations.
Ms Patterson has denied all charges against her, saying the poisoning of the beef Wellington - cooked in individual portions - was a mistake.
The trial has focused in forensic detail on the events surrounding the meal at her property in the farming village of Leongatha in Victoria state.
Her lunch guests that afternoon were Don and Gail Patterson, the elderly parents of her estranged husband Simon.
Places were also set for Simon's maternal aunt Heather and her husband Ian.
'Uncomfortable'
Simon was urged to come but he declined because he felt "uncomfortable".
Within days of the meal, his parents and aunt had died of organ failure. Of the four guests, only Mr Wilkinson survived.
The prosecution alleges Ms Patterson deliberately foraged for death cap mushrooms and hid them in the meal, intending to kill her lunch guests.
She took care not to consume the fatal mushrooms and faked being sick after the lunch in a bid to avoid suspicion, the prosecution says.
However, Ms Patterson's defence lawyer said it was a "terrible accident" and she never intended to kill or harm anyone.
She only lied to authorities in panic after the lunch, including about the source of the mushrooms, for fear of being held responsible, her defence says.
Ms Patterson told police investigating the deaths that she did not own a food dehydrator, allegedly used to prepare the death cap mushrooms.
Security footage showed her dumping a dehydrator at a nearby rubbish facility, and forensic tests found trace amounts of death cap mushrooms on the appliance.
"No one knows what they would have done in a similar situation," Defence Lawyer Colin Mandy told the trial.
Ms Patterson ate some of the same dish as her guests but did not fall as sick, her defence argued, saying she suffered from an eating disorder and made herself vomit afterwards.
