Ricin Poisoning Suspected in Deaths of Mother and Daughter in Pietracatella, Italy

Investigators are probing the deaths of a mother and daughter in Pietracatella, Italy, after ricin was found in their blood at levels 250 times the lethal threshold. Authorities are examining chats and considering the possibility that the poison was ingested at different times, with the discovery of the toxin confirmed by the Maugeri Center in Pavia.