Thomas C. Clifford
Agency patch
Officer

Thomas C. Clifford

Denver Police Department — Denver, CO
Felonious
End of Watch August 13, 1899
Age 46
The Vigil Panel 15 ›
Gender Male

Incident

Officer Clifford was shot and killed while confronting three drunken U.S. Army soldiers who had just been thrown out of a saloon. As the three were leaving Officer Clifford demanded that the men relinquish their weapons. One of the soldiers then drew his weapon and shot Officer Clifford, killing him. During the ensuing search the suspect shot and killed Officer William Griffiths under the 16th Street Bridge. The suspect was identified by the other two soldiers but he was never apprehended after a long search in which local police stopped most soldiers walking the streets.

Survivors

Officer Clifford was survived by his wife and eight children.

In Our Keeping

Permanent identifier
BO-US-CO-AFE136CD
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

127 years is a long time for a name to go unread. Not today.
Officer Clifford served with the Denver Police Department.
Thank you for your service to the Denver community. Gone but never to be forgotten.

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

Agency

Type Police Department
Location Denver, Denver County, CO
Platform Identity dpd.denver.co.us.gov.nw

Service Record

End of Watch August 13, 1899
Age 46
Gender Male

Incident Details

Cause Felonious
Weapon Gun

Officer Thomas C. Clifford is one of 17,558 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 53.9% of all 32,585 officers honored here.

In CO, 235 of 360 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 65.3% of this state's fallen. That is 11.4 percentage points above the national rate of 53.9%.

At Denver Police Department, 55 of 74 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 74.3% of this agency's fallen.

Denver Police Department
55
of 74 officers
74.3% Felonious
CO — Statewide
235
of 360 officers
65.3% Felonious
Nationwide
17,558
of 32,585 officers
53.9% Felonious

National Cause Distribution

How Felonious compares to all causes of officer death in the memorial record. Thomas C. Clifford's cause is highlighted.

Felonious
17,558 (53.9%)
Accident
10,094 (31%)
Illness
3,037 (9.3%)
Cardiac
1,306 (4%)
Undetermined
334 (1%)
Suicide
256 (0.8%)

How Thomas C. Clifford Compares

Age at End of Watch
46
This officer
Avg for Felonious: 39.0 years

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Thomas C. Clifford is highlighted in Aug.

Jan
1,392
Feb
1,295
Mar
1,373
Apr
1,516
May
1,504
Jun
1,442
Jul
1,587
Aug
1,516
Sep
1,491
Oct
1,371
Nov
1,447
Dec
1,624

Weapons Used Against Officers

Most common weapons in felonious officer deaths. Thomas C. Clifford was killed by gun.

Handgun
3,684
Gun
3,592
Gun; Unknown type
1,492
Shotgun
1,109
Rifle
935
Officer's handgun
909