An 18-year-old Manawa man is charged with six counts of first degree child sexual assault.
Alex Kasper is being held on a $25,000 cash bond.
He was in Waupaca County court last Friday.
Manawa police are concerned there are other victims in Waupaca County and say the investigation is ongoing.
Police departments in Manawa, Waupaca and Weyauwega took park in the investigation as did the Waupaca County Department of Heath and Human Services.
Police say the victims were under 13 years old.
