Wis. Stat. § 943.31

Whoever maliciously threatens, with intent to extort money or any pecuniary advantage whatever, or with intent to compel the person so threatened to do any act against the person’s will, to disseminate or to communicate to anyone information, whether true or false, that would humiliate or injure the reputation of the threatened person or another is guilty of a Class I felony. For the purpose of this section, “information” includes any photograph, exposed film, motion picture, videotape, or data that represents a visual image, a sound recording, or any data that represents or produces an audio signal.