Roll of Honor
Incident
Deputy Benjamin Milligan was shot and killed in Boise City after arresting a man wanted in Texas.
Before taking the prisoner from the arrest location, Deputy Milligan allowed him to use a restroom as the deputy waited outside. When the suspect exited the restroom he was armed with a gun and shot Deputy Milligan, killing him. The suspect was never apprehended.
Deputy Milligan had served with the Cimarron County Sheriff's Office for only 6 months.
Survivors
He was survived by his wife and three children.
In Our Keeping
- Permanent identifier
BO-US-OK-9A15AE20- 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.
Deputy Sheriff Milligan served with the Cimarron County Sheriff's Office.
Thank you for your service to the Boise City community. Gone but never to be forgotten.
Rest easy, Deputy Sheriff Milligan.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Deputy Sheriff Benjamin F. Milligan 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 OK, 403 of 582 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 69.2% of this state's fallen. That is 15 percentage points above the national rate of 54.2%.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Benjamin F. Milligan's cause is highlighted.
How Benjamin F. Milligan Compares
Offender Outcome
At large
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Benjamin F. Milligan is highlighted in Jan.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. Benjamin F. Milligan was killed by gun; unknown type.