Sac County in Iowa

Sac City in Sac County

Cold Cases in Sac City, Iowa

Mark Koster

Missing Person, Declared Deceased
Mark E. Koster
Age at Report: 58
Weight: 140 lbs.
Height: 5’10″
Hair: Grey
Eyes: Blue
Incident Type: Other adult missing
Missing from: Sac City, Iowa
Sac County
Missing Since: July 4, 2009
Declared Deceased: October 10, 2011 

Mark Koster was reported missing to the Sac City (IA) Police Department on July 4, 2009, and legally declared dead by accidental or other violent means on Oct. 10, 2011.

If you have any information about this case please contact the Sac City Police Department at (712) 662-7772.