Theodore Crossley
Agency patch
Deputy Sheriff

Theodore Crossley

Felonious
End of Watch September 22, 1921
The Vigil Panel 41 ›
Gender Male

Incident

Deputy Sheriff Theodore Crossley and Deputy Sheriff Henry Nelson were shot and killed when they went to investigate a charge of hay theft in Belleville, California.

When the officers arrived at the scene one of the suspects opened fire, killing both deputies.

The subsequent search for the suspects was the first time airplanes were used in California for law enforcement searches.

The man was sentenced to death for the murders and was hanged at San Quentin State Prison on February 24th, 1922.

Yesterday was 103 years since your murder. We want to let you, your friends and Family know that not a day passes by that yours and your partners service and sacrifice is not acknowledged in some way. Your pictures drape our walls. Hence we never forget.

Elizabeth Haugen Mosqueda. Widow of Deputy Michael Haugen. Riverside County Sheriffs Department September 23rd, 2024

In Our Keeping

Permanent identifier
BO-US-CA-672FF2F9
Stewardship
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Added to badge.nw
August 2, 2026
Last updated
August 2, 2026

Honored here by 1 tribute.

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Tributes

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

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

Agency

Type Sheriff's Office
Location Riverside, Riverside County, CA
Platform Identity rcso.riverside.ca.us.gov.nw

Service Record

End of Watch September 22, 1921
Gender Male

Incident Details

Cause Felonious
Weapon Gun; Unknown type

Deputy Sheriff Theodore Crossley 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 CA, 974 of 1,837 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 53% of this state's fallen. That is 53 percentage points above the national rate of 0%.

At Riverside County Sheriff's Department, 12 of 27 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 44.4% of this agency's fallen.

Riverside County Sheriff's Department
12
of 27 officers
44.4% Felonious
CA — Statewide
974
of 1,837 officers
53% 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. Theodore Crossley's cause is highlighted.

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

How Theodore Crossley Compares

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Theodore Crossley is highlighted in Sep.

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. Theodore Crossley was killed by gun; unknown type.

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

Incident Location