Two convicted child sex offenders are moving to new locations in the city of Fond du Lac. Police say 46 year old Darin Klumpyan will be moving to a residence at 457 Thomas Street next week where he has resided in the past. Klumpyan served seven years in prison for sexually assaulting a 15 year old girl. Twenty six year old Allen Sabel will be moving to an apartment at 186 East Johnson Street. When Sabel was 13 years old he repeatedly sexually assaulted an eight year old boy and in addition has three juvenile adjudications for sexually assaulting minors.