Former nurse Dorothy Byrd , 98 , died of a morphine overdose in February . # ##sley 's daughter visited her home on the day before she was taken ill . An initial post mortem was inconclusive but further investigation found evidence . A nurse and two healthcare assistants have been suspended by the home . The emergency medical Medical officer 's office found evidence of homicide .
Former nurse Dorothy Byrd , 98 , died of a morphine overdose in February . Mrs Byrd 's daughter visited her mother on the day before she was taken ill. An initial post mortem was inconclusive but further tests found evidence . A nurse and two healthcare assistants have been suspended by the home . The Cook County Medical Examiner 's office found evidence of homicide .