Chickasaw County in Iowa
Cold Cases in Chickasaw County, IA
Rhonda Anette Knutson
Phillips 66 Convenience Store
Williamstown, IA (Chickasaw County)
Case # 92-07040
September 7, 1992
In the early morning hours of Monday, September 7, 1992, Rhonda Anette Knutson was murdered while working the 9:00 p.m. to 5:00 a.m. shift at the Phillips 66 convenience store in Chickasaw County. Probable cause of death was determined to have been from severe traumatic head injuries from a beating with a blunt object.
Carl “Ken” Gallmeyer
Carl Kenneth “Kenny” Gallmeyer
1091 240th Street
Chickasaw County (jurisdiction)
October 4, 2012
Carl “Kenny” Gallmeyer, 70, was found slain in his rural Nashua, Iowa home on October 4, 2012. The Chickasaw County Sheriff’s Office and Iowa Division of Criminal Investigation are asking the public for help in solving his slaying.