Criminal Attorney Jevon Jaconi:
What you need to know about Homicide
940.01 First-degree intentional homicide.
(1) Offenses.
(a) Except as provided in sub. (2), whoever causes the death of another human being with intent to kill that person or another is guilty of a Class A felony.
(b) Except as provided in sub. (2), whoever causes the death of an unborn child with intent to kill that unborn child, kill the woman who is pregnant with that unborn child or kill another is guilty of a Class A felony.
(2) Mitigating circumstances. The following are affirmative defenses to prosecution under this section which mitigate the offense to 2nd-degree intentional homicide under s. 940.05:
(a) Adequate provocation. Death was caused under the influence of adequate provocation as defined in s. 939.44.
(b) Unnecessary defensive force. Death was caused because the actor believed he or she or another was in imminent danger of death or great bodily harm and that the force used was necessary to defend the endangered person, if either belief was unreasonable.
(c) Prevention of felony. Death was caused because the actor believed that the force used was necessary in the exercise of the privilege to prevent or terminate the commission of a felony, if that belief was unreasonable.
(d) Coercion; necessity. Death was caused in the exercise of a privilege under s. 939.45 (1).
(3) Burden of proof. When the existence of an affirmative defense under sub. (2) has been placed in issue by the trial evidence, the state must prove beyond a reasonable doubt that the facts constituting the defense did not exist in order to sustain a finding of guilt under sub. (1).
940.02 First-degree reckless homicide.
(1) Whoever recklessly causes the death of another human being under circumstances which show utter disregard for human life is guilty of a Class B felony.
(1m) Whoever recklessly causes the death of an unborn child under circumstances that show utter disregard for the life of that unborn child, the woman who is pregnant with that unborn child or another is guilty of a Class B felony.
(2) Whoever causes the death of another human being under any of the following circumstances is guilty of a Class C felony:
(a) By manufacture, distribution or delivery, in violation of s. 961.41, of a controlled substance included in schedule I or II under ch. 961, of a controlled substance analog of a controlled substance included in schedule I or II under ch. 961 or of ketamine or flunitrazepam, if another human being uses the controlled substance or controlled substance analog and dies as a result of that use. This paragraph applies:
1. Whether the human being dies as a result of using the controlled substance or controlled substance analog by itself or with any compound, mixture, diluent or other substance mixed or combined with the controlled substance or controlled substance analog.
2. Whether or not the controlled substance or controlled substance analog is mixed or combined with any compound, mixture, diluent or other substance after the violation of s. 961.41 occurs.
3. To any distribution or delivery described in this paragraph, regardless of whether the distribution or delivery is made directly to the human being who dies. If possession of the controlled substance included in schedule I or II under ch. 961, of the controlled substance analog of the controlled substance included in schedule I or II under ch. 961 or of the ketamine or flunitrazepam is transferred more than once prior to the death as described in this paragraph, each person who distributes or delivers the controlled substance or controlled substance analog in violation of s. 961.41 is guilty under this paragraph.
(b) By administering or assisting in administering a controlled substance included in schedule I or II under ch. 961, a controlled substance analog of a controlled substance included in schedule I or II of ch. 961 or ketamine or flunitrazepam, without lawful authority to do so, to another human being and that human being dies as a result of the use of the substance. This paragraph applies whether the human being dies as a result of using the controlled substance or controlled substance analog by itself or with any compound, mixture, diluent or other substance mixed or combined with the controlled substance or controlled substance analog.
940.03 Felony murder.
Whoever causes the death of another human being while committing or attempting to commit a crime specified in s. 940.19, 940.195, 940.20, 940.201, 940.203, 940.225 (1) or (2) (a), 940.30, 940.31, 943.02, 943.10 (2), 943.23 (1g), or 943.32 (2) may be imprisoned for not more than 15 years in excess of the maximum term of imprisonment provided by law for that crime or attempt.