Diminished Responsibility Essay

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Diminished responsibility is described as one of the three special defences for the criminal offence of murder. This defence is set out in section 2 of the of the Homicide Act 1957 . If this defence is successful in its pleading, then it has the effect of reducing the murder conviction to manslaughter. It is then for the defence to prove whether the individual is liable of murder. Hence, the defence on the balance of probabilities is the evidential burden.
The defendant under the Homicide Act must be suffering from an abnormality of the mind whereas in the Coroners and Justice Act of 2009, an abnormality of mental functioning must be suffered from the defendant. The changes in the wording did not alter applicability of the defence so the precedents are established under the previous law is still valid.
For there to be proof that a defendant suffers from abnormality of mental functioning, the court needs medical evidence. However, the decision will be up to the jury to decide whether the defendant …show more content…

Such new or borderline cases are decided by the jury when left. In R v Sutcliffe , Peter Sutcliffe pleaded diminished responsibility when he murdered 13 women. His medical reports suggested that he was a paranoid schizophrenic and the prosecution at that time was prepared to accept the diminished responsibility. The judge in the case said that it was in the publics interest for the jury to resolve the matter. The jury later did and returned the 13 verdicts of the murder. The jury response reflected the publics reaction rather than the rule of law and it was illustrated well that “in practice medical evidence alone may not be sufficient for the defence to succeed.” The jury did not except that there was a “substantially impaired responsibility”, which they considered to be a moral as well as a medical

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