Wis. Stat. § 940.305: Taking hostages.

(1) Except as provided in sub. (2), whoever by force or threat of imminent force seizes, confines or restrains a person without the person’s consent and with the intent to use the person as a hostage in order to influence a person to perform or not to perform some action demanded by the actor is guilty of a Class B felony.

(2) Whoever commits a violation specified under sub. (1) is guilty of a Class C felony if, before the time of the actor’s arrest, each person who is held as a hostage is released without bodily harm.