Insanity (Defences) Flashcards
House of Lords came up with legal principles for insanity in what case?
R v M’Naghten
What is the first element of insanity?
D had a defect of reason
Second element of insanity?
This was caused by a disease of the mind
Third elements of insanity? (Two separate)
D either doesn’t know nature and quality of his act, or does but doesn’t know it was wrong
What is meant by defect of reason?
D’s peers of reasoning are impaired
Case for defect of reason?
R v Clarke: absent mindedness and confusion are not grounds of a defect of reason
What is meant by a disease of the mind?
Internal cause - mental or physical disease which affects the mind
Cases for disease of mind?
R v Kemp: hardening of arteries
R v Sullivan: epilepsy
R v Hennessy: hyperglycaemic (caused by diabetes)
R v Burgess: sleep walking
What is meant by not knowing the nature and quality of the act?
a) D in a state of unconsciousness
b) Conscious but doesn’t know what they’re doing
What is meant by not knowing the act is wrong? Case?
If D knows what they’re doing is legally wrong, they won’t be able to rely on insanity - R v Windle
What happens if D successfully relies on defence of insanity?
Not guilty by reason of insanity - judge will impose hospital order, supervision order or absolute discharge.