if the D has committed a specific intent crime and is voluntarily intoxicated they may have a defence if the intoxication negates the MR of the crime
Intoxication - Sheehan and Moore
Shows this for the specific intent crime of murder
Intoxication - Lipman
Voluntary intoxication couldn’t be a defence for manslaughter as it is a basic intent crime
Intoxication - MR
If the D can still form the MR however, they will still be guilty as drunken intent is still intent
intoxication (AG v Gallagher)
Dutch courage cannot be used as a defence
Intoxication - DPP v Majewski
HL confirmed that voluntary intoxication cannot be a defence for basic intent crimes
Intoxication - involuntary
Can be a defence for both specific and basic intent crimes as long as the MR has been negated
Intoxication - Hardie
If the strength of a drug is unexpected, this might be involuntary intoxication
Intoxication - Allen
Mistaking the strength of alcohol will be voluntary intoxication
Intoxication - Kingston
If a D is involuntarily intoxicated but has the MR for the crime committed they can not have a defence of intoxication, intoxicated intent is still intent