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Manslaughter - Adomako Test
Main manslaughter page
Individual offence manslaughter
Corporate Manslaughter Act 2007
Corporate manslaughter - old common law
Manslaughter - the Adomako test

The offence of manslaughter is a 'common law' offence. That is to say the offence has been developed by judges and is not contained in a legislative statute. The 1995 House of Lords case of R v Adomako continues to set out the legal test. This case involved the prosecution of an anesthetist following the death of a patient. In the case, Lord Mackay stated:

'... the ordinary principles of the law of negligence apply to ascertain whether or not the defendant has been in breach of a duty of care towards the victim who has died. If such a breach of duty is established the next question is whether that breach of duty caused the death of the victim. If so, the jury must go on to consider whether that breach of duty should be characterised as gross negligence and therefore as a crime. This will depend on the seriousness of the breach of duty committed by the defendant in all the circumstances in which the defendant was placed when it occurred. The jury will have to consider whether the extent to which the defendant's conduct departed from the proper standard of care incumbent upon him, involving as it must have done a risk of death to the patient, was such that it could be judged criminal.

‘It is true that to a certain extent this involves an element of circularity, but in this branch of the law I do not believe that is fatal to its being correct as a test of how far conduct must depart from accepted standards to be characterised as criminal. This is necessarily a question of degree and an attempt to specify that degree more closely is I think likely to achieve only a spurious precision. The essence of the matter, which is supremely a jury question, is whether, having regard to the risk of death involved, the conduct of the defendant was so bad in all the circumstances as to amount in
their judgment to a criminal act or omission.’

To access judgment, click on hyperlink - [1995] 1 AC 171

This test creates a number of different factors that need to be considered.

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Page last updated on April 12, 2008