FOND DU LAC COUNTY, Wis. (WFRV) - After a search warrant was executed at the once-residence of a missing 5-year-old boy late on Tuesday, authorities with the Fond du Lac County Sheriff's Office have revealed that they have collected items of potential evidentiary value. The 43-year-old cold case con cerning the disappearance of a 5-year-old boy [...] ...read more read less