(Crim) Mental Capacity Defences Flashcards
Insanity: M’Naghten (1843)
Definition: M’Naghten Rules
1. D was suffering from a defect of reason
2. Caused by a disease of the mind so that D either
a) did not know the nature or quality of the act OR
b) did not know what they were doing was legally wrong
Insanity: R v Clarke (1972)
Defect Of Reason:
Woman was shoplifting and claimed she was depressed. Pleaded insanity however, changed plea to guilty to get out of hospitalisation.
Insanity: R v Kemp (1957)
Disease of the Mind:
D attacked his wife with hammer caused by arteriosclerosis. The condition effected his ability to reason and understand so it was insanity.
Insanity: R v Sullivan (1984)
Disease of the Mind:
D (an epileptic) attacked a neighbour during a fit. Epilepsy constitutes a disease of the mind. However, he changed his plea to guilty to avoid hospitalisation.
Insanity: R v Burgess (1991)
Disease of the Mind:
D attacked his girlfriend while sleepwalking. He tried to rely on automatism but judge ruled that the correct defence was insanity. Sleepwalking was an internal factor.
Insanity: Bratty v Attorney-General for Northern Ireland (1963)
Disease of the Mind:
D gave V a lift. A “Blackness” came over D and strangled V. D had been suffering from psychomotor epilepsy. Epilepsy has to be a plea of insanity.
Insanity: R v Windle (1952)
Nature and Quality or Didn’t know was wrong:
D gave wife fatal dose of aspirin. “I Suppose they’ll hang me for this”. This proved he knew what he was doing was legally wrong. Unable to plead insanity.
Insanity: Domestic Violence, Crime and Victims Act (2004)
Effect:
Act has made changes to the treatment of people deemed legally insane.
Automatism: Broome v Perkins (1987)
Total Loss Of Voluntary Control:
D was in hypoglycaemic state. Convicted of driving without due care and attention. He had not suffered a total loss of control. Plea not valid.
Automatism: R v Woolley (1997)
Total Loss Of Voluntary Control:
D caused an 8 car Pile-Up when his lorry crashed. D had a sneezing fit that stopped him controlling his lorry. Automatism was allowed.
Automatism: R v Quick (1973)
External Factor:
D was a nurse. Hypoglycaemic state, attacked a patient. Had been drinking. Condition was caused by external factors so automatism should have been left to the jury.
Automatism: R v T (1990)
External Factor:
D was charged with robbery and ABH. However, she had been raped a few days prior and she was suffering from PTSD. She was able to rely on automatism but the jury rejected her defence and found her guilty.
Automatism: R v Narbrough (2004)
External Factor:
D stabbed someone. He claimed that he had been sexually abused as a child and had PTSD. Judge said that the evidence was Inadmissible. No evidence could prove his PTSD
Automatism: R v Lowe (2005)
External Factor:
D killed his father when he woke D up while sleepwalking. Defence of automatism failed but he instead was found not guilty by reason of insanity.
Automatism: R v Bilton (2005)
External Factor:
D raped V but claimed he was sleepwalking. Defence is not available for sexual assault/rape cases.