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

Patterson, 50, was charged with murdering three relatives of her estranged husband by serving a beef Wellington laced with toxic mushrooms over lunch in 2023.

It found Ms Patterson guilty on three counts of murder and one of attempted murder. The case has gripped Australia with its compelling mixture of tortured family drama and, the jury has decided, elaborate murder plot,