diminished responsibility

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  • Diminished Responsibility
    • Diminished Responsibilitycomes under voluntary manslaughter where the defendant has committed murder but raises a special defence which justifies a lesser sentence.
      • There are 3 circumstances for this
        • Diminished Responsibility
        • Loss of Control
        • Suicide Pact
      • Special Defences are only used when the defendant is charged with murder
    • Diminished Responsibilitywas introduced by the Homicide Act 1957 and amended to coroners & justice act 2009
    • Requires the defendant to prove on the balance of probabilities...
      • 1. D was suffering from an abnormality of mental functioning
        • The test for abnormality of mental functioning is a state of mind so different from that of an ordinary person that a reasonable person would term it abnormal         ( R V Byrne)
        • It is not necessary to show the abnormality existed from birth               (R V Gomez)
        • Psychopath    R V Byrne) Depression    (R V Seers) Battered Woman Syndrome (Ahluwalia)
        • InToxication is  not allowed for abnormality of mental functioning unless it reaches a stage where the brain has been injured = (R V Tandy)
          • Medical Evidence from two psychologists
      • 2. Which is due to a recognised medical condition
      • 3. Which substantially impaired the defendants ability to...
        • Understand Nature & Conduct
          • D is in an autonomic state and does not know what they are doing, (delusions,learning difficulties)
        • Form Rational Judgement
          • People suffering from paranoia/ schizophrenia won't be able to form rational judgement(Sensible)
        • Exercise Self Control
          • R V Byrne = medical condition meant he was unable to control perverted desires
        • Lloyd = the impairment does not mean total nor does it mean trivial, it must be something in between
          • More than trivial impairment less than total
      • 4. The abnormality of mental functioning must provide an explanation for defendant causing victims death
        • Abnormality must be  the cause or significant cause of the death
        • Drinking/  Taking Drugs is not a medical condition even if it has an effect on the brain unless it creates a recognised abnormality (Di Duca)
        • When defendant was suffering from alcoholism and this was a significant factor in causing abnormality this would be considered an abnormality of mental functioning (Wood)

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