Insanity Flashcards
What crimes can you have a defence for insanity?
All crimes.
What happens when a plea of insanity is successful?
Jury returns a special verdict of ‘not guilty by reason of insanity’.
What is the 1991 act regarding insanity?
Criminal Procedure (Insanity and Unfitness to plead) Act 1991
What did the Criminal Procedure (Insanity and Unfitness to plead) Act 1991 say?
Successful plea results in compulsory detention in mental hospital, for murder it was indefinitely until released on authority of Home Secretary.
What was the 1991 Act replaced by?
Domestic Violence Crime and Victims Act 2004
What does the Domestic Violence Crime and Victims Act 2004 say?
Judge can make: A Hospital Order, a Supervision Order or an absolute Discharge.
What is the burden of proof of insanity?
D must prove insanity on a balance of probabilities.
What is Automatism?
Separate defence to insanity. Describes a state of unconsciousness.
Where was Automatism defined?
Bratty v Attorney General for N.Ireland (1963) – “an act done by the muscles, without control of the mind; or an act done by a person who is not conscious.”
What happens when a plea of insanity is successful?
Results in an acquittal.
Where are the rules of insanity laid out?
M’Naghten (1843)
What happened in M’Naghten (1843)?
Tried to kill someone, killed secretary by mistake.
What is the legal principle in M’Naghten (1843)?
Court acquitted on grounds of insanity. HoL said there’s a general presumption everyone is sane, but it can be rebutted.
What must be established at the time of the offence for the D to be able to plead insanity?
D was suffering from:
• A defect of reason
• Caused by a disease of the mind
• So D did not know what they were doing OR they did not know what they were doing was wrong.
What does a Defect of Reason mean?
Complete loss of reasoning power. Failing to use reasoning powers is insufficient.
What is the case associated with a defect of reason?
R v Clarke (1972) CA
What happened in R v Clarke (1972) CA?
D charged with stealing. Argued she had been acting absentmindedly due to depression and diabetes.
What is the legal principle in R v Clarke (1972) CA?
Judge ruled insanity was appropriate. Court ruled she was not deprived of her reasoning power and quashed conviction.