definition
intoxication itself doesnt always provide a defence
was the defendant reckless
voluntary intoxication = reckless
involuntary intoxication = not reckless
was it a specific or basic intent crime
specific intent crimes can use both voluntary and involuntary (kingston)
basic intent crimes must have involuntary intoxication (Lipman) cannot be used with reckless intoxication (majewski)
level of intoxication
however, intoxication does not always provide a defence as it can only be used if the defendant is too intoxicated to be able to form the mens rea of the offence (gallagher)