Roll of Honor
Incident
Lieutenant Robert Dorn was shot and killed by a stranded motorist he had stopped to help on 91st Avenue just north of Glendale Avenue. The man had been visited recently by deputies inquiring about his delinquent taxes. Believing that he was about to lose his trailer home, the man jumped out of his truck and began firing without warning, killing Lieutenant Dorn. Despite being mortally wounded, Lieutenant Dorn was able to return and wounded the man. The subject was found not guilty by reason of insanity and committed to a mental institution. He was later released. Lieutenant Dorn had served with the Maricopa County Sheriff's Office for 10 years.
Survivors
He was survived by his wife, three children, and brother.
In Our Keeping
- Permanent identifier
BO-US-AZ-0B21281C- 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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Tributes
I never knew you. I am standing here anyway.
Lieutenant Dorn gave the Maricopa County Sheriff's Office 10 years.
Thank you for your service to the Phoenix community. Gone but never to be forgotten.
Rest easy, Lieutenant Dorn.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Lieutenant Robert L. Dorn 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 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 61.8 percentage points above the national rate of 0%.
At Maricopa County Sheriff's Office, 11 of 28 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 39.3% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Robert L. Dorn's cause is highlighted.
How Robert L. Dorn Compares
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Robert L. Dorn is highlighted in Aug.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. Robert L. Dorn was killed by handgun.
Incident Location
Others Who Wore This Badge
27 officers from Maricopa County Sheriff's Office are honored on badge.nw. Showing the 16 most recent.
