Dorothea Puente was abandoned as an infant & raised in an orphanage. Over the next 40 years, she married 4 times & gave birth to a daughter, whom she immediately put up for adoption. At the age of 53, she was sent to prison for drugging old men & stealing their money. Released in '85, she opened a rooming house for elderly people on fixed incomes. Over the next 2 years, close to 25 of her boarders disappeared. Police found seven corpses on her premises. She was sentenced to life in prison.