Mental Capacity Defences (Need to do reforms) Flashcards
What are the mental capacity defences?
Insanity, Automatism, Intoxication
What happens if you prove you suffer insanity?
There is a special verdict.
What is the special verdict?
‘Not guilty by reason of insanity’, but must be proved within the legal rules of insanity.
What type of offences does the special verdict not apply to?
Strict liability offences because no MR is required for these.
What rules apply to insanity?
The M’Naghten Rules.
What are the M’Naghten Rules?
To be insanity there must be:
- A defect of reason
- Which must be the result of a disease of the mind
- Causing D to not to know the quality/nature of act or not know they were doing wrong.
What type of defence is insanity?
A full defence
Who is the burden of proof on when insanity is used as a defence?
Burden of proof is on the defence.
Insanity - powers of reasoning compared to absent minded or confused?
If D’s powers of reasoning is impaired then is a defect of reason + insanity. If absent-minded/confused then it’s not. (R v Clarke)
What must a defect of reason be caused by?
Disease of the mind - a legal, not medical term. Meaning any disease that affects the mind. (R v Kemp)
Insanity - epilepsy
In R v Sullivan the final ruling was that the disease can be any part of body that has an effect on mind. Therefore a defence.
Insanity- Diabetes
R v Hennessy- diabetes (high blood sugar levels) also classed as insanity as have an effect on mind.
Insanity - sleepwalking
R v Burgess ruled that in some circumstances it can be a defence of insanity.
Insanity - External cause
R v Quick showed that external cause (like blow to head) cannot be used as a defence of insanity.
What options are left for judge to impose on the defendant who successfully pleads guilty?
- Send D to mental hospital
- Impose a hospital order
- Issue a supervision order
- Issue an absolute discharge