Mushroom killer Erin Patterson's lawyers challenge jury conduct at appeal

Lawyers for Erin Patterson, the Australian woman convicted of poisoning three relatives with death cap mushrooms at a 2023 lunch, argued at appeal that the jury was not properly sequestered during her trial. The 51-year-old was found guilty of murdering her husband's parents and an elderly aunt by serving them a beef Wellington laced with lethal mushrooms. The case attracted worldwide media attention.