It is entirely possible for a person to not recall anything, for hours, in a blackout. In fact, alcoholics, and other heavy drinkers, often have blackouts, where they do not recall entire evenings, things they did, things they said. The argument that there is a 'conscience' during an alcohol induced blackout would make for good discussion. A person in a blackout simply doesn't know what they are doing, or saying, and doesn't recall any of it, they are unaware of their actions.
So it is quite possible a person could commit murder, and not remember it. In fact, a lifer did just that. He murdered his wife, wound up in prison that very night, upon coming out of the blackout asked to call her, and was told he had murdered her. It was the first he was made aware of his killing his own wife. He did not recall any of it. These are things learned when involved in the field, and carrying a message of hope and recovery as a part of a prison and institution commitment
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Blacking out does not mean that a person becomes unconscious, like falling asleep. Instead, people often continue to interact with others, engage in routine or potentially dangerous behaviors, and even continue to drink. People who blackout may drive themselves home, engage in a sexual encounter, destroy property, spend too much money, or choose other risky behaviors.
People who are blackout drunk are more likely to physically injure themselves. They have also been known to walk home, brush their teeth, eat meals, or go through other normal behaviors. They do not remember these behaviors because their brain does not move those experiences into memory. Once the person begins to sober up, the brain will begin to process memories normally again."
Blackout Drinking: Impaired Judgement, Memory Loss, and Other Harmful Effects
