Incident
Sergeant Robert Hannah was shot and killed when he responded to a robbery at a local saloon. Two robbery suspects entered a local saloon and gambling hall through a rear door. As they entered the building, two customers heard the commotion and left through the front door. The two customers went to the police station and reported the robbery. Sergeant Hannah, the Yellowstone County Sheriff and a Northern Pacific detective responded to the robbery. When they arrived, a gun battle ensued and both Sergeant Hannah and the Yellowstone County Sheriff were wounded. The Yellowstone County Sheriff suffered a minor wound to his hand, however, Sergeant Hannah suffered more serious wounds and died later that day. Two suspects were arrested and one confessed to murdering Sergeant Hannah. Both suspects escaped from the Yellowstone County Jail two months later.
Survivors
Segeant Hannah was survived by his wife Amelia, his sons Robert and John, and his daughters Margaret and Gertrude.
In Our Keeping
- Permanent identifier
BO-US-MT-38478F8E- 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.
Sergeant Hannah served with the Billings Police Department.
Thank you for your service to the Billings community. Gone but never to be forgotten.
Rest easy, Sergeant Hannah.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Sergeant Robert T. Hannah 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 MT, 93 of 142 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 65.5% of this state's fallen. That is 11.3 percentage points above the national rate of 54.2%.
At Billings Police Dept., 3 of 4 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 75% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Robert T. Hannah's cause is highlighted.
How Robert T. Hannah Compares
Offender Outcome
Escaped
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Robert T. Hannah is highlighted in Jul.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. Robert T. Hannah was killed by handgun; revolver.
Others Who Wore This Badge
3 officers from Billings Police Dept. are honored on badge.nw.


