Deadly beef Wellington lunch was a 'terrible accident' and 'tragedy', says Australian 'mushroom poisoner' as trial gets underway
Erin Patterson , 50, allegedly killed her former in-laws, Don and Gail Patterson, and Gail's sister, Heather Wilkinson, with death cap mushrooms .
Erin Patterson , 50, allegedly killed her former in-laws, Don and Gail Patterson, and Gail's sister, Heather Wilkinson, with death cap mushrooms .
