An Oshkosh man accused of sexually assaulting four children when he lived in Ripon in the 1990s has posted bond. Christopher Ziemer was released from jail last month after posting $50,000 cash bond. His bail had been reduced from $500,000. A trial is scheduled for October 6th. Ziemer is charged with multiple counts of repeated sexual assault of a child. All of the alleged victims are now adults.
