Defences Flashcards
What type of defence is intoxication?
General defence - available to almost any crime
What two forms of intoxication are there?
A way to negate the MR of an offence
An influencing factor on another legal principle / defence
Where does the burden of proof lie for intoxication?
Evidential burden on the defendant to raise issue of intoxication
Prosecution must prove, beyond reasonable doubt, that the defendant formed the MR
When will intoxication not assist the defendant?
If prosecution can establish that D formed the MR even though they were drunk
In what circumstances can intoxication operate to negate the MR?
Spiking / lacing
Drugs taken voluntarily in bona fide pursuance of medical treatment
Intoxication caused by non-dangerous drugs taken voluntarily
Specific intent crimes - cannot be committed recklessly
What three questions should you ask to judge whether intoxication can operate to negate the MR?
Is the defendant voluntarily intoxicated or involuntarily intoxicated?
Is the intoxicant a dangerous alcohol / drug or a non-dangerous drug?
Is it a crime of basic intent or specific intent?
What crimes is intoxication available for if it is involuntary?
Both specific and basic intent crimes
What does not count as involuntary intoxication?
When D knows they are drinking, but thinks that alcohol is not as strong as it is
When can voluntary intoxication work to negate the MR?
Specific intent crimes - but not basic intent
What rule emerged from R v Heard about specific and basic intent offences?
Specific intent crimes require proof of a state of mind addressing something beyond the prohibited act itself, namely its consequences.
What is the problem with the rule from R v Heard?
Criminal damage would become a specific intent offence even though it is generally considered a basic intent offence.
What is a dangerous drug?
Common knowledge that a drug is liable to cause the taker to be aggressive / unpredictable - e.g. alcohol, illegal drugs
What is a non-dangerous drug?
A soporific or sedative drug
How does intoxication interact with self-defence?
If a defendant makes a drunken mistake as to the need to use self-defence, they cannot rely on that mistake
How does intoxication interact with loss of control / DR?
It is not a bar to a plea of either of these things
Where should you consider intoxication in murder?
MR
Where should you consider intoxication in loss of control?
Fear / anger QT - D’s drug / alcohol addiction can be taken into account if taunted about extent of addiction
Normal person test - intoxicated person can still use this
What four things should be considered if D has an abnormality of mental functioning and is voluntarily intoxicated to consider if DR can apply?
D must have an AMF
AMF must arise from a recognised medical condition
AMF must have substantially impaired the defendant’s ability to do one of the things in s2(1A) Homicide Act
AMF must provide the explanation for D’s conduct - even if it is not the only cause
What four factors must be present for DR to apply when AMF arises from alcohol dependency syndrome?
D must have an AMF at the time of killing, due to ADS - will consider extent and severity of ADS here
AMF must arise from a recognised medical condition
AMF must have substantially impaired D’s ability to do one of the things in s2(1A)
AMF must provide an explanation for D’s conduct, even if it is not the only cause
When does intoxication prevent the defendant from using another defence?
When a drunken mistake causes the defendant to use self-defence
What is the question a court will ask regarding a defendant’s mens rea if they are voluntarily intoxicated by dangerous drugs/ alcohol and commit a basic intent offence?
Would the defendant have formed the MR if sober?
This is based on the test from Coley, McGhee and Harris - would D foresee the risk if sober
What are the two elements to consent?
Either the victim consented, or the defendant believed the victim consented
The offence is one which a victim can consent to
Where does the burden of proof lie in the defence of consent?
Prosecution must prove both that the victim did not consent, and that the defendant did not believe in the victim’s consent
What is the general rule on when consent is available?
Only available as a defence to assault and battery