General defences Flashcards
What are the rules on insanity based on?
The M’Naghten rules.
What is the main rule?
Every man is presumed to be sane and possess a sufficient degree of reason to be responsible for his crimes.
What is the definition of insanity?
The defendant must be labouring under such a defect of reason, from disease of the mind, as not to know the nature and quality of the act he was doing, or if he did know it, he did not know that what he was doing was wrong.
Who is the burden of proof on when a defence of insanity is raised?
The defendant.
What happens if the defence of insanity is successful?
A verdict of not guilty by reason of insanity is reached.
What did the case of DPP v H explain?
Insanity is not a defence to offences of strict liability.
What is a defect of reason?
A defect of reason is where the defendant’s powers of reasoning are impaired.
What if a defendant is capable of using powers of reasoning but fails to do so?
The defence is not available, as in Clarke.
Is disease of the mind a legal term or a medical term?
A legal term.
What did Kemp decide?
The disease of the mind can be physical or mental.
What happened in the case of Sullivan?
The House of Lords had to decide if epilepsy came within the rules of insanity.
Which case decided that sleepwalking can sometimes come within the rules on insanity?
Burgess.
Which case decided that sleepwalking can sometimes come within the rules on insanity?
Burgess.
When is insanity not available?
When the defendant’s conduct is caused by an external cause.
How can the defendant be unaware of the nature and quality of his act?
Because he is in a state of impaired consciousness or when the defendant’s medical condition causes him to be unaware.
What did Windle show?
If the defendant knows their actions are legally wrong, they cannot use the defence of insanity.
What did the judge have to do until 1991 when a defence of not guilty by reason of insanity was reached?
Send the defendant to a mental hospital.
What changed the judge’s powers and how have they changed?
The Criminal Procedure Act 1991, the judge can now impose a hospital order, a supervision order or an absolute discharge.
What are some problems with the law on insanity?
- The law is outdated.
- Legal definition causes problems.
- Social stigma.
- Burden of proof is on the defendant.
What are some problems with the law on insanity?
- The law is outdated.
- Legal definition causes problems.
- Social stigma.
- Burden of proof is on the defendant.
What did the Royal Commission on Capital Punishment suggest?
The M’Naghten rules should be extended so that a defendant would be considered insane if they were incapable of preventing themselves from committing the offence.
Which case defined automatism?
Bratty v Attorney-General for Northern Ireland.
How is automatism defined?
An act done by the muscles without any control by the mind, such as a spasm, reflex action or convulsion, or an act done whilst suffering from concussion or whilst sleepwalking.
What is the difference between insane automatism and non-insane automatism?
Insane automatism is insanity, and is caused by internal factors.
Non-insane automatism is normal automatism and is caused by external factors.