
Chickasaw County in Iowa
Cold Cases in Chickasaw County, IA

Rhonda Knutson
Homicide
Rhonda Anette Knutson
22 YOA
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
Homicide
Carl Kenneth “Kenny” Gallmeyer
70 YOA
1091 240th Street
Nashua, IA
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.
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