Sydney, July 7 -- An Australian woman has been found guilty of murdering three family members, and attempting to murder a fourth, by deliberately feeding them poisonous mushrooms.

A Supreme Court jury in the Australian state of Victoria today unanimously convicted Erin Patterson, aged 50, of murdering Don and Gail Patterson, the parents of her husband, as well as Gail's sister Heather Wilkinson.

All three victims died days after eating a lunch of beef wellington prepared by Erin at her home in Leongatha, a town 110 kilometers southeast of Melbourne, in July 2023.

The jury also found her guilty of the attempted murder of Heather Wilkson's husband, Ian, who survived after spending weeks in the hospital.

The 10-week trial heard that al...