generel defences Flashcards
capacity defences
insanity
automism
intoxication
necessity defences
committed a unlawful act but did so in order to avid a greater harm or danger. The d admits to committing a crime but argues it was necessary to prevent a more serious harm from occurring.
therefore they didn’t have much other choice - I’m in a situation i have to act a certain way to get out the situation
capacity defences
a capacity defence is where the d argue they should not be held criminally liable as they lack the memtal capacity to understand the nature of their acttion or to eveb form the necessary intent to comit a crime. d claims due to their mental condition at the time of the offence they were incapable of commiting the crime or having the required mens rea
different types of capacity defences
- insanity
- automtism
- diminsihed responsibility
insanity
this is a special defence - d must prove that they fall in the rules of insanity - McNaughton rules
they are successful they may be found not guilty by reason of insanity - rules are McNaughton
Mc Naughten
D suffered from extreme paranoia. He thought he was being persecuted by the tories (the then government). He tried to kill a member of the government. sir robert peel, but instead killed his sectretary. bnecause of his mental state D was found not guilty of murder. In fact, he was committed to a mntal hospital after a public outcry. This led to the hopuse of lords clarifying the rules on insanity and creating the rules we use in legal cases today.
3 3elements established from the McNaughton case
- defect of reason
2.which is the result of disease of the mind
- which has caused the d to not know that what he was doing is wrong.
elements established from the McNaughton case
- defect of reason
2.which is the result of disease of the mind
- which has caused the d to not know that what he was doing is wrong.
element 1 - Defect of reason
similar to diminished responsibility
- d powers of reasoning must be impaired
- this must be more than absent mindedness or confusion ( R v Clarke)
- defect of reason is not being capable of reasoning nd just not using it
r v clarke
R v Clarke
D went into a supermarket, picked up three item including a jar of mincemeat, putting them in her own bad she then left the store without paying for them. She was charged with theft but claimed in her defence that she lacked the mens Rea for theft as she had no recollection of buying them in her bag. She said she was suffering from mindedness which caused diabetes and depression. The trial judge ruled this amounted to plea of insanity she she pleaded guilty so she could use insanity as a defence but she latter appealed.
Her conviction was quashed
Held - defect of reason applied only to people who by reason of the mind were deprived of reasoning and the rules did not apply to people who simply had monuments of confusion
Disease of the mind 2nd element which is established in the Mnaughten rule
The defect of the mind should be due top the disease of the mind
This is a legal definition not a medical one
This can be a mental disease or a physical one
This disease must affect the mind - cannot be something that causes physical pain
R v kemp 1956
R v Sullivan 1984
R v kemp 1956
D was suffering from a hardening of arteries which caused a problem with the supply of blood to his brain which caused D to have moments of temporary loss of consciousness. During one of these moments, he attacked his wife with a hammer causing her serious injuries. He was spcharged with s20 GBH.
At his trial the question arose to whether this condition came within the rule in insanity. D admitted that he was suffering from a defect of reason but said this was not due to a disease of the mind as it was a physical illness causing the problem not a mental illness
Held - found not guilty by reason on insanity. Memory and understanding had been affected and so his condition came within the rules of insanity . Law was concerned with the mind not the brain
R v Sullivan 1984
D aged 51 suffered from epilepsy since childhood. He was known to have fits and had shown aggression to those trying to help during a fit. He injured a 80-year old man during a visit to a neighbours flat.
Held - a person who commits a criminal act while experiencing a temporary mental disorder (like a seizure) can still be held criminally responsible for their actions. Unless the disorder is due to a mental illness.
The case clarifies the distinction between mental disorders and physical conditions (like seizures) when determine clinal responsibility
Types of insanity
Organic insanity - the Brian has been damaged by a physical cause such as epilepsy or a degenerative disease like Alzheimer’s
Functional insanity - when there is no organic reason for the damage to the brain
R v Hennessy 1989
D was a diabetic hi had not taken his insulin for three days. He was seen driving a car which had been reported a stolen. He was charged with taking a motor vehicle without consent while driving when he was disqualifie. He had no recollection of taking or driving the car,
Held - diabetes affected the ment- therefore diabetes was brought within the definition of insanity
People with diabetes can go into an automatic state for. 2 reasons
1. Disease itself, which can cause high levels of blood (insanity)
2. Taking insulin, which is used to control the blood sugar levels (automatism)
R v Burgess 1991
D and his girlfriend had been watching videos. They both fell asleep and in his sleep he attached her. There was no evidence of an external cause for sleep walking and evidence was given that in this case it was due to a an internal cause - sleep disorder.
Held - sleep disorders fall under inanity
External factors
This is when a person is in a state where they do not know what they are doing due to an external factor.
Means the defence of insanity does not apply r v quick
R v quick
Apparent was a charge nurse in a hospital. He attacked on of his patients while on duty, pstuebt suffered ed a broken nose.
Held - he was hyperglycaemic as he has taken insulin ate to little and he had consumed alcohol before teh attack- ruled this fell under insanity
Voluntary intoxication and insanity
Where we can use two together
If the d volunatariky takes an intoxicating substance that leads to a temporary psychotic episode. This can lead to a defence of insanity as the intoxicating substance is an external factor
R v coley
R v coley 2013
D ages 17 was a regular user of cannabis and one evening watched a violent video game. Later that night he entered a neighbours house and attacked her and her partner with a knife. He said he blacked out an and no recollection of what had happened. Taking of cannabis may have been acting out the role of a character in the video game he had been playing.
Judge refused to leave him the defence on insanity and d was convicted of attempted murder.
Not knowing the nature and quality of the act
This can be in 2 ways.
1 - he or she is in a state of unconsciousness or impaired consciousness OR
2 - when he or she is conscious but due to his or her mental condition he or she does not under stand what he or she is doing
R v oye
R v windle
R v Johnson
R v oye 2013
D assaulted a women police officer broke her jaw. D believed tge officer had a demonic face and they were evil spirits. Not guilty by reason of insanity
Held When the d knows the nature of their act they can still use the defence if they don’t know what they were doing was wrong
R v windle 1952
Ds wife constantly spoke of committing suicide. One day the defendant killed her by giving 100 aspirins. He gave himself up to the police and said I suppose they will hang me for this. He suffered from mental illness, these words showed he knew what he was doing was legally wrong. As a result he could not be found guilty of murder of use the defence of insanity .
Held - he knew clearly the seriousness of his act therefore cannot use the defence insanity
R v Johnson 2007
D forced himself int his neighbours house flat and stabbed him. D was charged with wounding with intent - gbh 18. At his trial 2 pyschsitrics gave evidence that he was suffering from paranoid schizophrenia and suffering from hallucinations. However, they both agreed that, despite this. D knew the nature of hisact.
Held - insanity was not available as D knew the nature of his acts and he knew he was legally wrong they followed the decision in the case of windle where it was established that he also knew the act of what he did was wrong
The special verdict
If the d successfully proves insanity the jury must return a verdict of ‘no guilty by reason of insanity’
- tge judge can impose
- a hospital order
- a supervision order
- an absolute discharge