Wisconsin Statutes Crimes (Ch. 938 to 951) § 940.05. Second-degree intentional homicide

(1) Whoever causes the death of another human being with intent to kill that person or another is guilty of a Class B felony if:

(2) In prosecutions under sub. (1), it is sufficient to allege and prove that the defendant caused the death of another human being with intent to kill that person or another.

(2g) 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 B felony if:

(2h) In prosecutions under sub. (2g), it is sufficient to allege and prove that the defendant caused 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.

(3) The mitigating circumstances specified in s. 940.01(2) are not defenses to prosecution for this offense.