Insanity Flashcards
What is everyone in the criminal justice system presumed to be?
Sane - we have freewill and can choose a course of action, so we cannot blame people who do not have this ability
What is insanity also known as?
Insane automatism - little to do with medical definition of insanity, given a legal definition
What type of defence is insanity?
General defence, used for any crime, including a summary offence (R v Horseferry Road Magistrates’ Court ex parte K 1996)
What will the verdict be with a successful plea of insanity?
Special verdict - ‘not guilty by reason of insanity’
Before the Criminal Procedure (Insanity and Unfitness to plead) Act 1991 what was a successful plea of insanity lead to?
Compulsory detention in a mental hospital, where they could only be released on authority of the Home Secretary
VERY LIMITED AND RESTRICTIVE
What has the 1991 act been replaced with?
Domestic violence crime and victims act 2004
Under the 2004 act what can the judge make?
a hospital order, a supervision order or an absolute discharge
When is a judge allowed to make a hospital order under the 2004 act?
Only with medical evidence, for safety of public and defendant as this is in line with the Human Rights Act 1998
What is the burden of proof within insanity?
Defence must prove insanity, the prosecution can also call evidence to try and prove the D is insane where he/she has not pleaded insanity
If a D raises defence of automatism what can the judge raise?
Issues of insanity
What is automatism?
Separate defence to insanity describing a state of unconsciousness, defined in Bratty v Attorney General for N. Ireland 1963, a successful plea results in an acquittal
Where were the rules on insanity laid down?
M’Naughten 1843 (attempt to murder Conservative PM but killed secretary by mistake - paranoia), known as the M’Naughten rules
What are the 3 principles that must be proven to claim insanity from the M’Naughten rules?
Defect of reason
Caused by a disease of the mind
So D did not know what he was doing ot did not know that what he was doing was wrong
What does a defect of reason mean?
Complete loss of reasoning power - mere forgetfulness or absentmindedness will not do
Which case illustrates a defect of reason?
R v Clarke 1972
D stole from supermarket during an absentminded state, argued it came from her diabetes and depression as the minor mental illness can produce this, so convicted
On appeal conviction quashed as she was not deprived of reasoning powers, just failed to use them but did not have mens rea for theft
What is ‘disease of the mind’?
Legal term, not medical, so doctors would not call many of these ‘diseases of the kind’ but legally it is malfunctioning of the mind - could come from within the body too
What case illustrates disease of the mind?
R v Kemp 1957 (hardening arteries caused temporary blackouts and attacked wife with a hammer causing serious injury) court said there was no distinction between a disease of the mind and a disease of the body affecting the mind