A Fond du Lac man accused of exposing himself in front of young girls near a Fond du Lac park has been charged. William Thomas made his initial Fond du Lac court appearance Tuesday on multiple counts of exposing genitals to a child. According to a criminal complaint Thomas exposed himself on several occasions in front of girls near Taylor Park. The incidents occurred over a period of about a month. Judge Richard Nuss set cash bail at $25,000. A preliminary hearing is scheduled for August 21st.