Above: Koster, circa 2009
Vital Statistics at Time of Disappearance
Vital Statistics at Time of Disappearance
Missing Since: July 4, 2009 from Sac City, Iowa Classification: Missing Age: 58 years old Height and Weight: 5'10, 140 pounds Distinguishing Characteristics: Caucasian male. Gray hair, blue eyes. Koster smokes a pipe.
Details of Disappearance
Koster was last seen in Sac City, Iowa on July 4, 2009. He was accompanied by a friend visiting from Florida at the time of his disappearance. He has never been heard from again. Few details are available in his case.
Investigating Agency
Source Information
Updated 1 time since October 12, 2004.
Last updated May 5, 2011; casefile added.
If you have any information concerning this case, please contact:
Sac City Police Department
712-662-7772
Iowa Missing Person Information Clearinghouse
Iowa Cold Cases