A Pierce County sheriff’s deputy is denying charges he sexually assaulting a child. The victim was 12 or 13 years old at the time. Thirty-one-year-old Deputy Allen Wojcik faces four felony charges, including second-degree sexual assault of a child. He has a hearing scheduled for October 23rd. Investigators with the St. Croix County Sheriff’s Department are handling the case. The assault allegedly happened last winter.