Mary Bernice Lange Homicide Mary Bernice Lange 37 YOA Rural Danville, Iowa Des Moines County Iowa DCI Case Number: 70-01291 December 17, 1970 Case Summary compiled by Jody Ewing Mary Bernice Lange, 37, had been missing for two days when her fully clothed body was found shortly before 10 a.m. Saturday, Dec. 19, 1970, floating […]