Erin Patterson's conviction for the deaths by poisoning of her estranged husband's relatives has prompted fevered speculation across Australia about her motive.

The 50-year-old's in-laws died in 2023 after eating beef Wellingtons prepared by Patterson - they were later found to contain toxic mushrooms.

Erin Patterson has been found guilty of murdering three people with a toxic mushroom lunch following a marathon ten-week trial in Victoria. Justice Christopher Beale sent the jury to deliberate last Monday, urging them to resist feelings of bias.