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 Erin Patterson case has gripped international audiences, in Australia's 'biggest crime story since the Azaria Chamberlain case' of the 80s.

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.