(1) A person commits criminal homicide if, without justification or excuse, the person intentionally, knowingly, recklessly or with criminal negligence causes the death of another human being.
(2) Criminal homicide is murder, manslaughter, criminally negligent homicide or aggravated vehicular homicide.
(3) Human being means a person who has been born and was alive at the time of the criminal act. [1971 c.743 §87; 2007 c.867 §4]