Riley Scott Sumner
Agency patch
Chief of Police

Riley Scott Sumner

Chelsea Police Department — Chelsea, MI
Accident
End of Watch April 13, 2006
Age 43
Tour of Duty 19 yrs
The Vigil Panel 154 ›
Gender Male

Incident

Chief Riley Scott Sumner and Reserve Officer Matthew Tuttle were killed in a helicopter accident in Scio Township while providing aerial support for officers who were involved in a foot pursuit.

The foot pursuit started during a traffic stop on I-94. Chief Sumner and Reserve Officer Matt Tuttle responded to the location in Reserve Officer Tuttle's personal helicopter to help track the suspect.

The helicopter crashed near the intersection of Staebler and Jackson Roads, killing the officers.

Chief Sumner had served as a sworn officer with the Chelsea Police Department for 19 years, and had served an additional 4 years as a dispatcher.

Survivors

He is survived by his wife and two sons.

In Our Keeping

Permanent identifier
BO-US-MI-5900FED6
Stewardship
Maintained by NeuraWeb Global Inc.
Added to badge.nw
August 2, 2026
Last updated
August 2, 2026

Honored here by 1 sentinel - 1 tribute.

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Tributes

I never knew you. I am standing here anyway.
Chief of Police Sumner gave the Chelsea Police Department 19 years.
Thank you for your service to the Chelsea community. Gone but never to be forgotten.
Rest easy, Chief of Police Sumner.

— S. Vincent Anthony, U.S. Army 1985-1993

Agency

Type Police Department
Location Chelsea, Washtenaw County, MI
Platform Identity cpd.washtenaw.mi.us.gov.nw

Service Record

End of Watch April 13, 2006
Tour of Duty 19 yrs
Age 43
Gender Male

Incident Details

Cause Accident

Chief of Police Riley Scott Sumner is one of 10,095 officers lost to accidents in the line of duty across the full record of this memorial — 31% of all 32,587 officers honored here.

In MI, 229 of 718 officers were lost to accidents in the line of duty — 31.9% of this state's fallen. That is 0.9 percentage points above the national rate of 31%.

At Chelsea Police Department, 2 of 2 officers on record were lost to accidents in the line of duty — 100% of this agency's fallen.

Chelsea Police Department
2
of 2 officers
100% Accident
MI — Statewide
229
of 718 officers
31.9% Accident
Nationwide
10,095
of 32,587 officers
31% Accident

National Cause Distribution

How Accident compares to all causes of officer death in the memorial record. Riley Scott Sumner's cause is highlighted.

Felonious
17,559 (53.9%)
Accident
10,095 (31%)
Illness
3,037 (9.3%)
Cardiac
1,306 (4%)
Undetermined
334 (1%)
Suicide
256 (0.8%)

How Riley Scott Sumner Compares

Age at End of Watch
43
This officer
Avg for Accident: 38.1 years
Years of Service
19
This officer
Avg for Accident: 9.1 years

When Accident Deaths Occur

Monthly distribution of Accident deaths across the full memorial record. Riley Scott Sumner is highlighted in Apr.

Jan
820
Feb
730
Mar
748
Apr
708
May
848
Jun
797
Jul
899
Aug
938
Sep
913
Oct
925
Nov
872
Dec
897

Others Who Wore This Badge

1 officer from Chelsea Police Department are honored on badge.nw.