Insanity Flashcards
What type of defence is insanity
General defence
Insanity is available to most crimes but not to
Strict liability offences (DPP v H)
The defence bear the burden of proving D is insane at the time of the offence
On the balance of probabilities
Expert medical evidence is required to prove the defence
2 or more registered medical practitioners
If the defence is successful D is found
‘Not guilty by reason of insanity’
The judge can give one of 3 orders
Hospital, supervision, discharge (conditional or absolute)
The rules on insanity are set out in the case of
M’Naghten (1843)
At the time of the offence D must have been labouring under
a defect of reason
He must have been totally deprived of his powers of reason, partial loss isn’t enough such as absentmindedness or forgetfulness.
Clarke
The DoR must arise from a disease of the mind - mind doesn’t just mean brain…
it covers all of the mental faculties of reason, memory and understanding (Sullivan)
DoM is a legal not …
medical definition
DoM can be permanent or temporary, curable or incurable, organic e.g. a brain tumour or function e.g. psychosis. It includes conditions such as…
sleepwalking, psychomotor epilepsy, diabetes and arteriosclerosis
Sleepwalking case
Burgess
Epilepsy case
Sullivan
Hardening of the arteries case
Kemp