Ken Prorok
Agency patch
Chief Deputy Sheriff

Ken Prorok

Moody County Sheriff's Office — Flandreau, SD
Accident
End of Watch February 2, 2024
Age 51
Tour of Duty 7 yrs 11 mo
The Vigil Panel 182 ›
Gender Male

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
BO-US-SD-6445AF86
Stewardship
Maintained by NeuraWeb Global Inc.
Added to badge.nw
April 2, 2026
Last updated
July 23, 2026

Honored here by 1 sentinel - 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

Location Flandreau, SD
Platform Identity mcso.moody.sd.us.gov.nw

Service Record

End of Watch February 2, 2024
Tour of Duty 7 yrs 11 mo
Age 51
Gender Male

Incident Details

Cause Accident
Cause Detail Struck by vehicle
Weapon Automobile
Offender Charged with murder

Chief Deputy Sheriff Ken Prorok is one of 10,088 officers lost to accidents in the line of duty across the full record of this memorial — 31% of all 32,508 officers honored here.

In SD, 19 of 62 officers were lost to accidents in the line of duty — 30.6% of this state's fallen.

At Moody County Sheriff's Office, 2 of 2 officers on record were lost to accidents in the line of duty — 100% of this agency's fallen.

Moody County Sheriff's Office
2
of 2 officers
100% Accident
SD — Statewide
19
of 62 officers
30.6% Accident
Nationwide
10,088
of 32,508 officers
31% Accident

National Cause Distribution

How Accident compares to all causes of officer death in the memorial record. Ken Prorok's cause is highlighted.

Felonious
17,623 (54.2%)
Accident
10,088 (31%)
Illness
2,974 (9.1%)
Cardiac
1,306 (4%)
Undetermined
260 (0.8%)
Suicide
256 (0.8%)
vehicular
1 (0%)

How Ken Prorok Compares

Age at End of Watch
51
This officer
Avg for Accident: 38.1 years
Years of Service
7.9
This officer
Avg for Accident: 9.1 years

Offender Outcome

Charged with murder

When Accident Deaths Occur

Monthly distribution of Accident deaths across the full memorial record. Ken Prorok is highlighted in Feb.

Jan
820
Feb
730
Mar
748
Apr
707
May
847
Jun
795
Jul
897
Aug
937
Sep
913
Oct
925
Nov
872
Dec
897

Incident Location

Others Who Wore This Badge

1 officer from Moody County Sheriff's Office are honored on badge.nw.