Daniel Hieber Homicide Daniel “Dan” Eugene Hieber 58 YOA Home Residence: Castana, Iowa Death Location: 823 Main Street Mapleton Monona County Sunday, September 20, 2015 Case Summary compiled by Iowa Cold Cases Monona County in Iowa Mapleton in Monona County Daniel “Dan” Hieber, 58, of Castana, Iowa, was found unresponsive and near death at the […]