Wis. Stat. § 938.312

If a petition alleges that a juvenile is delinquent under s. 938.12 or in need of protection or services under s. 938.13 (12) and the petition is dismissed or does not otherwise result in a consent decree or dispositional order, the district attorney or corporation counsel shall make a reasonable attempt to inform each known victim of the juvenile’s alleged act that the petition has been dismissed or will not result in a consent decree or dispositional order.