Defences Involving State Of Mind Flashcards
Insanity
Everyone shall be presumed to be sane at the time of doing or omitting any act until the contrary is proved
Cant be convicted if act done or mitted when laboring under natural imbecility or disease of the mind to such an extent as to render him incapable
a) of understanding the nature and quality of the act or omission
b) knowing that the act or omission was morally wrong, having regard to the commonly accepted standards of right and wrong
Insanity before or after the time he did or omitted the acr and insane delusions may be evidence
Cottle
Insanity Burden of Proof
As to degree of proof, it is sufficient if the plea is established to the satisfaction of jury on a preponderance of probabilities ithout necessarily excluding all reasonable doubt
Clark
The decision as to accused insanity is always for the jury and a verdict inconsistent with medical evidence is not necessarily unreasonable. But where unchallenged medical evidence is supported by the surrounding facts a jurys verdict must be founded on evidence which in this case shows that the accused did not and had not been unable to know that his act was morally wrong
M’Naghtens rules
Did not know
The nature and quality of their actions or
That what they were doing was wrong
Codere
Morally
Nature and quality of the act means the physical character of the act. The phrase does not involve any consideration of the accused moral perception nor his knowledge of the moral quality of the act. This a person who is so deluded that he cuts a woman’s throat believing that he is cutting a loaf of bread would not know the nature and quality of his act
Cottle ((Automatism)
Doing something without knowledge of it and without memory afterwards of having done it- a temporary eclipse of consciousness that nevertheless leaves a person so affected able to exercise bodily movements
Automatism causes
Concussion
Sleepwalking
Brain tumor
Epilepsy
Arteriosclerosis
Alcohol or Drugs
Intoxication defences
Intoxication causes a disease of the mind as to bring insanity into effect
If intent is required as an essential element of the offencd and the drunkenness is such that the defence can plead a lack of intent to commit the offence
Where the intoxication causes a state of automatism
Ignorance of law
The fact that an offemdee is ignorant of the law is not an excuse for any offence committed by him