Bail has been set at $25,000 cash for a Beaver Dam man accused of sexually assaulting a child in Fond du Lac County. Nineteen year old Andrew Twardokus made his initial Fond du lac court appearance this week. Twardokus is charged with using a computer to facilitate a child sex crime, second degree sexual assault of a child, and two counts of exposing a child to harmful materials. A preliminary hearing is scheduled for April 7th.