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Incident
Chief Deputy Sheriff Ken Prorok was struck and killed by the driver of a vehicle being pursued by the Madison Police Department at 4:12 p.m.
Chief Deputy Prorok responded to the call for assistance and was deploying spike strips at South Dakota Highway 34 and 472nd Avenue in Colman. The driver intentionally swerved toward Chief Deputy Prorok, killing him.
The subject has been charged with one count of first-degree murder and one count of aggravated eluding.
Chief Deputy Prorok had served with the Moody County Sheriff's Office for almost eight years.
Survivors
He is survived by his wife, a son, and two daughters.
In Our Keeping
- Permanent identifier
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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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Tributes
I never knew you. I am standing here anyway.
Chief Deputy Sheriff Prorok gave the Moody County Sheriff's Office 7 years.
Thank you for your service to the Flandreau community. Gone but never to be forgotten.
Rest easy, Chief Deputy Sheriff Prorok.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Accident
Moody County Sheriff's Office has lost 2 officers; 2 of them lost to accidents.
Ken is one of 19 officers lost to accidents in SD, 29.7% of the 64 remembered there.
Ken is one of 8,276 officers lost to accidents in the United States, 30% of the 27,551 remembered there.
Ken is one of 10,096 officers lost to accidents worldwide, 29.6% of the 34,102 remembered here.
34,102 officers are remembered on this memorial. Each number below is one of them.
Time
In 2024, 1 officer in SD was lost to accidents, more than in any other year.
In 2024, 52 officers in the United States were lost to accidents, the 90th heaviest of 174 years on record. The heaviest was 1929, with 118.
In 2024, 54 officers worldwide were lost to accidents, the 99th heaviest of 200 years on record. The heaviest was 1930, with 131.
Who
Ken was 51. Of the 15 lost to accidents in SD whose age is recorded, half were between 35.5 and 59.5; the middle age was 43. Ken had served 7.9 years; the middle length of service was 7.9 years.
Ken was 51. Of the 7,718 lost to accidents in the United States whose age is recorded, half were between 29 and 46; the middle age was 36. Ken had served 7.9 years; the middle length of service was 6 years.
Ken was 51. Of the 9,452 lost to accidents worldwide whose age is recorded, half were between 29 and 45; the middle age was 36. Ken had served 7.9 years; the middle length of service was 6 years.
When
February holds 15.8% of these deaths in SD; November holds the most, 15.8%. Fridays: 21.1%.
February holds 7.2% of these deaths in the United States; August holds the most, 9.4%. Fridays: 15.1%.
February holds 7.2% of these deaths worldwide; August holds the most, 9.3%. Fridays: 15%.
How
Accident deaths account for 100% of all 2 deaths at Moody County Sheriff's Office. The weapon recorded was automobile, in 50% of these deaths.
Accident deaths account for 29.7% of all 64 deaths in SD, the 2nd most common cause. The weapon recorded was automobile, in 5.3% of these deaths.
Accident deaths account for 30% of all 27,551 deaths in the United States, the 2nd most common cause. The weapon recorded was automobile, in 6.9% of these deaths.
Accident deaths account for 29.6% of all 34,102 deaths worldwide, the 2nd most common cause. The weapon recorded was automobile, in 5.6% of these deaths.
His people
Moody County Sheriff's Office has 2 officers remembered here, Ken among them.
Where
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 13-E
What is kept
Photographs, film, sound and papers — what survived a life.
Others Who Wore This Badge
1 officer from Moody County Sheriff's Office are honored on badge.nw.
