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 Australian woman was convicted of murdering three elderly relatives of her estranged husband with a meal laced with poisonous mushrooms, and attempting to murder a fourth, in a case that gripped the country.

Erin Patterson has been found guilty of murdering three people and trying to kill a fourth by poisoning them with death cap mushrooms. Now a jury has handed down its four guilty verdicts against Erin Patterson here is what happens next.