1983 Wisconsin cold case: Detectives excavate new sites in Fond du Lac County

Detectives are currently excavating additional sites in southeast Fond du Lac County tied to the 1983 cold case of Robert 'Bobby Jo' Fritz. Robert "Bobby Jo" FritzFritz vanished while playing with siblings outside his Campbellsport home on May 14, 1983. He was 5 years old at the time, and the community has been searching for answers in the 43 years since.Excavating additional locationsThe search for answers in Bobby Jo’s disappearance has expanded to new sites in southeast Fond du Lac County, where detectives are actively excavating areas of interest. Authorities say they will continue chasing down every credible tip and new piece of information.Earlier this year, detectives recovered items of interest and potential evidence during an excavation at the Campbellsport residence where Bobby Jo was living when he disappeared.Those items have been sent to a private laboratory for testing, and results are pending."The Fond du Lac County Sheriff’s Office is dedicated to uncovering the facts s