Colin Norris, 45, was found guilty in 2008 by a majority for murdering the four patients by injecting them with lethal doses of insulin
The nurse who was jailed for life for murdering four patients and attempting to kill a fifth has had his case referred to the Court of Appeal.
Colin Norris, 45, who was dubbed the angel of death , was found guilty in 2008 by a majority for murdering the patients by injecting them with lethal doses of insulin at Leeds General Infirmary and the city s St James s Hospital.
The four women who died - Ethel Hall, Bridget Bourke, Doris Ludlam and Irene Crookes - and the fifth woman Vera Wilby were all elderly inpatients on orthopaedic wards in Leeds where he worked as a nurse.