Douglas Flanigen Denney
Agency patch
Investigator

Douglas Flanigen Denney

Accident Veteran
End of Watch January 20, 1964
Age 39
Tour of Duty 8 yrs
The Vigil Panel 99 ›
Gender Male

Incident

Investigator Douglas Denney was killed in an automobile crash on Georgia 53 in Dawsonville, Georgia. He and another agent were traveling on Highway 53 when their vehicle was struck head-on by one of two cars that were racing in the opposite direction three miles east of Dawsonville. Investigator Denney and a passenger in the other car were killed instantly. The driver of the other vehicle, who had his license revoked for reckless driving, died several days later. The third vehicle never stopped, and the driver was never identified. Investigator Denney was a United States Marine Corps WWII veteran and had served with the United States Department of the Treasury - Internal Revenue Service - Alcohol and Tobacco Tax Division for eight years.

Survivors

He was survived by his wife, daughter, son, and his parents.

In Our Keeping

Permanent identifier
BO-US-FED-E4EB0477
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 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.
Investigator Denney gave the United States Department of the Treasury 8 years.
Thank you for your service. Gone but never to be forgotten.
Rest easy, brother.

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

Agency

Location Washington, DC
Platform Identity usdtirsattdfed.fed.us.gov.nw

Service Record

End of Watch January 20, 1964
Tour of Duty 8 yrs
Age 39
Gender Male

Incident Details

Cause Accident

Military Service

Douglas Flanigen Denney served in the United States military before joining law enforcement. Full service record available on salute.nw.

Investigator Douglas Flanigen Denney 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 DC, 454 of 1,419 officers were lost to accidents in the line of duty — 32% of this state's fallen. That is 1 percentage points above the national rate of 31%.

At United States Department of the Treasury - Internal Revenue Service - Alcohol and Tobacco Tax Division, 6 of 15 officers on record were lost to accidents in the line of duty — 40% of this agency's fallen.

United States Department of the Treasury - Internal Revenue Service - Alcohol and Tobacco Tax Division
6
of 15 officers
40% Accident
DC — Statewide
454
of 1,419 officers
32% 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. Douglas Flanigen Denney'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 Douglas Flanigen Denney Compares

Age at End of Watch
39
This officer
Avg for Accident: 38.1 years
Years of Service
8
This officer
Avg for Accident: 9.1 years

When Accident Deaths Occur

Monthly distribution of Accident deaths across the full memorial record. Douglas Flanigen Denney is highlighted in Jan.

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