Police Officer Adam Dean Liddle
Waterloo Police Department, IA
EOW: Thursday, October 29, 2015
Cause of Death: Heart attack
Deputy Sheriff Cass Gregory Nemmers
Polk County Sheriff's Office, IA
EOW: Wednesday, September 1, 2010
Cause of Death: Heart attack
Police Officer Roger Ray Hildreth
Des Moines Police Department, IA
EOW: Thursday, February 21, 2008
Cause of Death: Heart attack
Deputy Sheriff Carroll Edward Halligan
Muscatine County Sheriff's Department, IA
EOW: Monday, November 9, 1998
Cause of Death: Heart attack
Chief of Police Cole B. Shatswell
Onawa Police Department, IA
EOW: Sunday, October 22, 1989
Cause of Death: Heart attack
Reserve Deputy Sheriff Howard Wayne Holdefer
Jasper County Sheriff's Department, IA
EOW: Tuesday, October 30, 1973
Cause of Death: Heart attack
Corrections Captain William Minehart Zimmerman
Iowa Department of Corrections, IA
EOW: Sunday, October 1, 1967
Cause of Death: Heart attack
Sheriff Jake Mulder
O'Brien County Sheriff's Department, IA
EOW: Wednesday, January 25, 1956
Cause of Death: Heart attack
Assistant Chief of Police Menzo C. Grady
Muscatine Police Department, IA
EOW: Friday, July 4, 1947
Cause of Death: Heart attack
Night Policeman Richard D. Williams
Albia Police Department, IA
EOW: Thursday, January 2, 1941
Cause of Death: Heart attack