intoxication Flashcards
When does intoxication work as a defence?
When it negates D’s mens rea.
What factors need to be considered for intoxication?
-The type of intoxication
-The type of crime
What is voluntary intoxication?
D has chosen to take an intoxicating substance e.g. by drinking or taking drugs. A defendant will also be regarded as voluntarily intoxicated where he knows that the effect of a prescription drug will make him intoxicated.
What is involuntary intoxication?
D is not aware he is taking an intoxicating substance e.g. spiking or an unexpected effect of a drug.
What are specific intent crimes?
Crimes where D must have intention for the mens rea.
What are some examples of specific intent crimes?
-Theft
-s18
-Murder
-Robbery
-s9(1)(a) burglary
-s9(1)(b) burglary- theft
-Attempts
What are basic intent crimes?
D can have recklessness for the mens rea.
What are some examples of basic intent crimes?
-Assault
-Battery
-s47
-s20
-UAM
-GNM
-s9(1)(b) burglary- GBH
Which case applies to voluntary intoxication and specific intent offences where the intoxication negates the mens rea?
Lipman- D will not be convicted of a specific intent offence if the intoxication prevents him from forming the mens rea of the offence. But if there is a related basic intent crime (e.g. UAM instead of murder), this will be used instead.
Which case applies to voluntary intoxication and specific intent offences where the intoxication doesn’t negate the mens rea?
Gallagher- if the defendant has the required mens rea of the specific intent offence despite his intoxicated state, then he will be guilty of the specific intent crime. Drunken intent is still intent. (In this case, the single transaction theory was used to prove D has the mens rea for the offence).
What is the rule for voluntary intoxication and basic intent offences?
DPP v Majewski- voluntary intoxication will never be a defence to basic intent crimes as D will always have been reckless in becoming intoxicated and this can be transferred to satisfy the mens rea of the crime.
What is the rule for involuntary intoxication and specific intent offences?
Kingston- if D has the mens rea of the specific offence despite the intoxication, he will still be guilty of the specific intent crime. In other words a drugged intent is still intent. However, if the intoxication negates the mens rea, he will not be guilty.
What is the legal principle of Allen?
To be regarded as involuntary intoxication, the intoxication has to be completely involuntary. If D knows he is taking an intoxicating substance but is unaware of its strength, this will be treated as voluntary intoxication.
What is the rule for involuntary intoxication and basic intent offences?
Hardie- when D is involuntarily intoxicated, he has not been reckless in becoming intoxicated. If D has not been reckless in the offence either, then he will not have the mens rea required and will be found not guilty.
What did the case of Lipman show about intoxicated mistakes?
D is allowed to make drunken mistakes.