'Act done by the muscles without any control by the mind such as a spasm or a reflex action or a convulsion or an act done by a person who is not conscious'
D can be unconscious by uncontrolled, aware of what is going on by incapable (Altered state)
External factor - automatism negates from unlawfulness of AR
Coley - 'Complete destruction of voluntary control'
Defence:
Common law, complete defence, not in control of their bodily movements
Involuntary - no MR
General defence - includes SL
Procedure:
Operates in line with woolmington, D bears evidential burden
C - 'Crucial principle... cannot rely on the defence of automatism without providing some evidence of it'
Prosecution - disprove
Aim to show if D retained some control of their actions - external factor rather than internally
Involuntariness required:
Defence operates strictly, requires a total loss of voluntary control
Bell - attacked while driving, swarm of bees or a malevolent passenger
Not just being unable to remember is sufficient or control impulse
Destruction of voluntary control
A total destruction of voluntary control:
Partial reduction is insufficient - AGs ref (white lines)
Self-induced automatism:
Unavailable where drinking/drugs (voluntary intoxication - DPP v majewski)
R v Lipman - LSD, strangled girlfriend
Specific intent - D lacks MR
Basic intent - unaware of risk - self-induced automatism
Reckless - Did D know there was risk of getting into such a state
Key V Butterworth - insulin
Self-induced automatism:
Hardie - did not know valium would have this reaction
No automatism if aware of the risk of bringing on the condition as viewed as being subjectively reckless
Bailey - failed to eat, knew it would have this effect
Illegal drugs will always fail
Reflex actions:
Ryan - no real application to the case of a fully conscious man who out himself in a situation