Roll of Honor
Incident
Cattle Inspector Joseph Dillman was shot and killed with his own .38 Colt revolver near Safford, Arizona, at approximately 4:00 am by unknown assailants. His body was found in the backseat of his car with a single bullet wound to the head. A coroner's jury determined that he was murdered by person(s) unknown. No suspects were ever identified in his murder.
Inspector Dillman had served with the Arizona Livestock Sanitary Board for two years and had previously served with the United States Border Patrol for six years.
Survivors
He was survived by his wife and three children.
In Our Keeping
- Permanent identifier
BO-US-AZ-DD1D508C- 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 never knew you. I am standing here anyway.
Cattle Inspector Dillman gave the Arizona Livestock Sanitary Board 8 years.
Thank you for your service to the Phoenix community. Gone but never to be forgotten.
Rest easy, Cattle Inspector Dillman.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Cattle Inspector Joseph Calvin Dillman is one of 17,623 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 54.2% of all 32,508 officers honored here.
In AZ, 204 of 330 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 61.8% of this state's fallen. That is 7.6 percentage points above the national rate of 54.2%.
At Arizona Livestock Sanitary Board, 1 of 2 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 50% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Joseph Calvin Dillman's cause is highlighted.
How Joseph Calvin Dillman Compares
Offender Outcome
Never identified
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Joseph Calvin Dillman is highlighted in May.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. Joseph Calvin Dillman was killed by officer's handgun.
Others Who Wore This Badge
1 officer from Arizona Livestock Sanitary Board are honored on badge.nw.
