@Cycloptichorn,
Yes but for a murder to be decided as man slaughter, you would have to determine that both alcohol and another extenuating circumstance where involved together which resulted in diminished responsibility as stated in
Beard, DPP v (1920) HL- (agreeably this is clouded by an incompetent defense attorney)
Hatton, R v [2005] (CA)- also accused of murder
Heres the synopsys of a british case which i think that the american legal system should take as a precident in their regards towards alcohol and its relation in crimes
Tandy, R v (1989) CA
[Diminished responsibility - abnormality of the mind impairing mental responsibility - effects of alcoholism - role of jury]
D, an alcoholic, had drunk nearly a bottle of vodka when she strangled her 11 yr old daughter. (She normally drank Vermouth or Barley wine),
Held: For a craving for drink to produce an "abnormality of mind" induced by the disease of alcoholism, there had to be grossly impaired judgement and emotional responses or the craving had to be such as to render the first drink of alcohol of the day involuntary.
But, if the accused had simply not resisted an impulse to drink she could not rely on the defence of diminished responsibility, and if D took the first drink of the day voluntarily, the whole of the drinking on that day was voluntary, and diminished responsibility was not available to her.
Watkins LJ:
"If the alcoholism has reached the level at which her brain had been injured by the repeated insult from intoxicants so that there was gross impairment of her judgment and emotional responses, then the defence of diminished responsibility was available to her ... if her drinking was involuntary, then her abnormality of the mind at the time of the act of strangulation was induced by her condition of alcoholism."