William James Truesdale
Agency patch
Deputy Sheriff

William James Truesdale

Veteran → Felonious
End of Watch June 18, 1986
Age 53
The Vigil Panel 131 ›
Gender Male

Incident

Deputy Truesdale was shot and killed while moonlighting at Citywide Bank of Lakewood at on south Wadsworth Boulevard. Two armed suspects entered the bank and were immediately confronted by Deputy Truesdale. Both suspects had previously been incarcerated in the Jefferson County Jail where Deputy Truesdale served as a detentions deputy. One of the suspects opened fire, fatally wounding him. Both suspects were later arrested and sentenced to life. Deputy Truesdale was survived by his wife and three children. He was killed on his anniversary, two months before he planned to retire.

Survivors

Deputy Truesdale was survived by his wife and three children.

In Our Keeping

Permanent identifier
BO-US-CO-165DDFAC
Stewardship
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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Also honored at salute.nw — U.S. Marine Corps. One record, 2 gates. William is one person.

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Tributes

I never knew you. I am standing here anyway.
Deputy Sheriff Truesdale served with the Jefferson County Sheriff's Office.
Thank you for your service to the Golden community. Gone but never to be forgotten.
Rest easy, Deputy Sheriff Truesdale.

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

Agency

Type Sheriff's Office
Location Golden, Jefferson County, CO
Platform Identity jcso.jefferson.co.us.gov.nw

Service Record

End of Watch June 18, 1986
Age 53
Gender Male

Incident Details

Cause Felonious
Weapon Gun

Military Service

William James Truesdale served in the U.S. Marine Corps (1950–1952) before joining law enforcement.

View full service record on salute.nw →

Deputy Sheriff William James Truesdale is one of 1 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 0% of all 97,772 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 65.3 percentage points above the national rate of 0%.

At Jefferson County Sheriff's Office, 3 of 6 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 50% of this agency's fallen.

Jefferson County Sheriff's Office
3
of 6 officers
50% Felonious
CO — Statewide
235
of 360 officers
65.3% Felonious
Nationwide
1
of 97,772 officers
0% Felonious

National Cause Distribution

How Felonious compares to all causes of officer death in the memorial record. William James Truesdale's cause is highlighted.

Felonious
1 (0%)
Accident
1 (0%)
Illness
1 (0%)
Cardiac
1 (0%)
Undetermined
1 (0%)
Suicide
1 (0%)

How William James Truesdale Compares

Age at Death
53
This officer
Avg for Felonious: 39.0 years

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. William James Truesdale is highlighted in Jun.

Jan
1,392
Feb
1,295
Mar
1,373
Apr
1,516
May
1,504
Jun
1,442
Jul
1,587
Aug
1,517
Sep
1,491
Oct
1,371
Nov
1,447
Dec
1,624

Weapons Used Against Officers

Most common weapons in felonious officer deaths. William James Truesdale was killed by gun.

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

Military Service

William James Truesdale served in the U.S. Marine Corps (1950–1952) before joining law enforcement.

Visit William James Truesdale’s page on salute.nw →

His full service record — units, decorations, where he served — is kept on salute.nw.