The Kewaunee County Sheriff’s Department reported on Thursday that multiple thefts of catalytic converters from vehicles are under investigation. The department states that Algoma and Luxemburg appear to be the main target areas, and that thefts have taken place at night and in the daytime. Residents are asked to secure vehicles and to park them in visible, well-lit places. The department also asks anyone with information that can assist in tracking down suspects to contact the Kewaunee County Sheriff’s Department.