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Incident
Marshal Frank Mommer was shot and killed when he interrupted two suspects attempting to break into a safe at a local drugstore. He confronted the two suspects inside the store but was shot in the stomach by one of them.
The two men fled the scene as local citizens came to Marshal Mommer's aid. He was taken to a hospital in Waterloo where he died the following day.
One of the suspects was apprehended several days later but the other suspect fled the area. The suspect who fled, who turned out to be the store owner's son, was apprehended in Vancouver, Washington, six years later. He was sentenced to life in prison on January 9, 1932. He was paroled September 3, 1952. The other suspect, also sentenced to life October 17, 1925, was paroled in 1941.
In Our Keeping
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- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
I never knew you. I am standing here anyway.
Marshal Mommer served with the Traer Police Department.
Thank you for your service to the Traer community. Gone but never to be forgotten.
Rest easy, Marshal Mommer.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Felonious
Frank is the only officer of Traer Police Department remembered here.
Frank is one of 129 officers killed feloniously in IA, 57.1% of the 226 remembered there.
Frank is one of 15,743 officers killed feloniously in the United States, 57.1% of the 27,552 remembered there.
Frank 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 1925, 4 officers in IA were killed feloniously, the 4th heaviest of 76 years on record. The heaviest was 1911, with 5.
In 1925, 208 officers in the United States were killed feloniously, the 11th heaviest of 213 years on record. The heaviest was 1921, with 248.
In 1925, 209 officers worldwide were killed feloniously, the 12th heaviest of 265 years on record. The heaviest was 1921, with 516.
Who
Frank was 63. Of the 115 killed feloniously in IA whose age is recorded, half were between 32 and 51; the middle age was 41.
Frank was 63. Of the 14,219 killed feloniously in the United States whose age is recorded, half were between 31 and 47; the middle age was 38.
Frank was 63. Of the 15,853 killed feloniously worldwide whose age is recorded, half were between 30 and 46; the middle age was 38.
When
August holds 7.8% of these deaths in IA; July holds the most, 16.3%. Fridays: 14%.
August holds 8.9% of these deaths in the United States; December holds the most, 9.4%. Fridays: 14.3%.
August holds 8.6% of these deaths worldwide; December holds the most, 9.2%. Fridays: 14.3%.
How
Felonious deaths account for 100% of all 1 deaths at Traer Police Department. The weapon recorded was handgun, in 100% of these deaths.
Felonious deaths account for 57.1% of all 226 deaths in IA, the most common cause. The weapon recorded was handgun, in 20.9% 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 handgun, in 23.4% of these deaths.
Felonious deaths account for 51.7% of all 34,103 deaths worldwide, the most common cause. The weapon recorded was handgun, in 20.9% of these deaths.
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