Colin Norris
Scottish serial killer / From Wikipedia, the free encyclopedia
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Colin Campbell Norris (born 12 February 1976)[1] is a Scottish serial killer and former nurse convicted for the murder of four elderly patients and the attempted murder of another in two hospitals in Leeds, England, in 2002.
Colin Norris | |
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![]() Mugshot of Norris, taken by West Yorkshire Police | |
Born | Colin Campbell Norris (1976-02-12) 12 February 1976 (age 48) Milton, Glasgow, Scotland |
Criminal charge | Murder (4 counts), attempted murder (1 count) |
Penalty | Life imprisonment with a minimum tariff of 30 years imprisonment |
Details | |
Victims | 4ā10 murder victims, 1 victim of attempted murder |
Span of crimes | May ā November 2002 |
Country | England |
Location(s) | Leeds General Infirmary and St James's University Hospital, Leeds |
Weapon | Overdoses of insulin |
Date apprehended | 2002 |
Imprisoned at | HM Prison Frankland |
Norris, who self-admittedly disliked elderly patients and had previously stolen hospital drugs, was the only person on duty when all the five patients inexplicably fell into sudden hypoglycaemic comas, despite the non-diabetic women only being in minor injury wards with merely broken hips. Suspicions were raised when Norris predicted that healthy Ethel Hall would die at 5:15 am one night, which is when she fell into a catastrophic arrest, and tests revealed that she had been injected with an extremely high level of man-made insulin. Insulin was missing from the hospital fridge and Norris had last accessed it, only half an hour before Hall fell unconscious.
Subsequent investigations would find that the unnatural hypoglycaemic attacks followed him when he was transferred to a second hospital, and hospital records revealed that only he could not be eliminated as a suspect. Detectives believed that Norris was responsible for up to six other suspicious deaths where only he was always present, but a lack of post mortem evidence and other factors meant that investigators and the Crown Prosecution Service could not pursue convictions for these deaths. The murder inquiry was led by Chris Gregg and the investigation was praised for its thoroughness.
Doubts were later raised about his conviction by, among others, Professor Vincent Marks, an expert on insulin poisoning, who concluded from his own studies that there was a 1 in 10 chance that each patient's arrest could have happened naturally. However, others have pointed out that C-peptides are produced in hypoglycaemic attacks caused by insulin produced naturally in the body, and these were not detected in any of the blood tests of the victims, indicating that the insulin had been introduced to their bodies externally and artificially. Norris lost an appeal against his conviction in 2009. In February 2021 the Criminal Cases Review Commission referred the case back to the Court of Appeal.
Norris is believed to have been inspired by Jessie McTavish, a fellow Scottish nurse who was convicted of murdering a patient with insulin in 1974 before having her conviction quashed in 1975. The incident had happened at Ruchill Hospital in Glasgow, less than a mile from where Norris grew up. Shortly before he qualified as a nurse he had learned about McTavish.[2]