After three months of investigations, Australian police arrested Erin Patterson, a 49-year-old Leongatha woman, who prepared a lunch of poisonous mushrooms for her family last July, causing the deaths of two 70-year-old parents, Gail and Don. Patterson, her ex-husband, and the woman’s 66-year-old sister, Heather Wilkinson. Her sole survivor, husband Ian Wilkinson, 68, was released […]