July 12, 2019 – Fond du lac County, WI – The Fond du lac County Sheriff’s Department is asking for your help. Kenneth J. Zawadzinski, Jr., is wanted for 2nd degree sexual assault of a child. His last known address is 109 S. Hubbard Street, Horicon, WI. If you have seen or know of the location of Zawadzinski, do not attempt to apprehend this subject. Please contact dispatch at 920-929-3390 , or you can leave an anonymous tip at 920-906-4777.