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Incident
Deputy Sheriff Dewey Marshall was shot and killed while accompanying the sheriff of Sedalia, Pettis County, Missouri, to serve a warrant that had been issued on a man in Mitchellville, Iowa. When the officers arrived at the man's rented farmhouse one-half mile northwest of Mitchellville, the man fatally shot Deputy Marshall and wounded the Pettis County sheriff. The man took Deputy Marshall's weapon and fled into a field. The suspect, who was wanted on a hog-stealing charge, surrendered himself to the sheriff ten days later. He was convicted of first-degree murder and sentenced to life in prison on December 17th, 1926. He was paroled in January of 1960. Deputy Marshall was a crack-shot WWI Army veteran.
Survivors
He was survived by his wife and four-year-old daughter.
In Our Keeping
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- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Also honored at salute.nw — U.S. Army. One record, 2 gates. Dewey is one person.
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Tributes
I served 1985 to 1993. You served too, before the badge - different uniform, same idea. You go where you are sent and you do not get to pick the call.
Deputy Sheriff Marshall served with the Polk County Sheriff's Office.
Thank you for your service to the Des Moines community, and for your service before it. Gone but never to be forgotten.
Rest easy, brother.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Military Service
Dewey Marshall served in the U.S. Army before joining law enforcement.
The Sacrifice · Felonious
Polk County Sheriff has lost 4 officers; 2 of them killed feloniously.
Dewey is one of 129 officers killed feloniously in IA, 57.1% of the 226 remembered there.
Dewey is one of 15,743 officers killed feloniously in the United States, 57.1% of the 27,552 remembered there.
Dewey is one of 17,623 officers killed feloniously worldwide, 51.7% of the 34,103 remembered here.
34,103 officers are remembered on this memorial. Each number below is one of them.
Time
In 1926, 4 officers in IA were killed feloniously, the 4th heaviest of 76 years on record. The heaviest was 1911, with 5.
In 1926, 209 officers in the United States were killed feloniously, the 9th heaviest of 213 years on record. The heaviest was 1921, with 248.
In 1926, 209 officers worldwide were killed feloniously, the 12th heaviest of 265 years on record. The heaviest was 1921, with 516.
When
October holds 8.5% of these deaths in IA; July holds the most, 16.3%. Saturdays: 22.5%.
October holds 7.9% of these deaths in the United States; December holds the most, 9.4%. Saturdays: 16.3%.
October holds 7.8% of these deaths worldwide; December holds the most, 9.2%. Saturdays: 16.2%.
How
Felonious deaths account for 50% of all 4 deaths at Polk County Sheriff, the most common cause. The weapon recorded was shotgun, in 50% of these deaths.
Felonious deaths account for 57.1% of all 226 deaths in IA, the most common cause. The weapon recorded was shotgun, in 11.6% of these deaths.
Felonious deaths account for 57.1% of all 27,552 deaths in the United States, the most common cause. The weapon recorded was shotgun, in 7% of these deaths.
Felonious deaths account for 51.7% of all 34,103 deaths worldwide, the most common cause. The weapon recorded was shotgun, in 6.3% of these deaths.
His people
Polk County Sheriff has 4 officers remembered here, Dewey among them.
Where
Military Service
Dewey Marshall served in the U.S. Army before joining law enforcement.
Visit Dewey Marshall’s page on salute.nw →
His full service record — units, decorations, where he served — is kept on salute.nw.
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 15-E
What is kept
Photographs, film, sound and papers — what survived a life.
Also Remembered
Others Who Wore This Badge
3 officers from Polk County Sheriff are honored on badge.nw.
