#Exam1(2)- Defences mental capacity Flashcards
what are the mental capacity defences
insanity, automatism and intoxication
what crime can’t insanity be used for
drunk driving it is strict liability
what is case is insanity based on
M’Naghten
what are the three rules M’naghten provided
defect of reason
result of disease of mind
caused D not to know nature of offence and not to realise it was wrong
who must prove insanity
the defence
what does defect of reason mean
their reasoning must have become impaired
what happened in R v Clarke
quashed conviction because had absentmindedness- defect of reason
Disease of mind is
a legal definition, which can be either a physical or mental
R v Kemp
hardening arteries causes him to attack wife COA found that this come under disease of mind
R v Sullivan
mans epilepsy was long term. he ended up attacking 80 year old man. upheld conviction because it didn’t exist at time of attack
R v Hennessy
shows that diabetes can fall under insanity if it effects the mind
what did R v Burgess find
D attacking his girlfriend in his sleep due to sleep walking was insanity
external causes= automatism
what did R v Quick show
diabetics can’t use insanity as an excuse if they haven’t taken insulin- this is an external cause
can a defendant use the defence of insanity if they have voluntarily taken a intoxicating substance and they have a psychotic episode
no
what does R v Coley show
couldn’t use insanity for almost killing neighbors as it was self induced psychosis, he couldn’t use automatism for same reason.
what does not knowing nature of the act mean
they have impaired consciousness
they do not understand what they are doing