Dorothea Helen Puente (née Gray; January 9, 1929 – March 27, 2011) was an American convicted serial killer. In the 1980s, she ran a boarding house in Sacramento, California, and murdered various elderly and mentally disabled boarders before cashing their Social Security checks. Puente's total count reached nine murders; she was convicted of three and the jury hung on the other six. Newspapers dubbed Puente the "Death House Landlady". Background. Dorothea Puente was born Dorothea Helen Gray on January 9, 1929, in Redlands, California, to Trudy Mae (née Yates) and Jesse James Gray.
https://en.wikipedia.org/wiki/Dorothea_Puente