Roll of Honor
Incident
Chief Arthur Sem succumbed to injuries sustained 6 months earlier when he was struck by a vehicle while investigating a traffic accident. The vehicle that struck him skidded out of control on the icy road surface.
Survivors
Chief Sem was survived by his wife and three children.
In Our Keeping
- Permanent identifier
BO-US-ND-C8E3B760- 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.
Chief of Police Sem served with the Stanley Police Department.
Thank you for your service to the Stanley community. Gone but never to be forgotten.
Rest easy, Chief of Police Sem.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Chief of Police Arthur Milford Sem is one of 10,088 officers lost to accidents in the line of duty across the full record of this memorial — 31% of all 32,508 officers honored here.
In ND, 15 of 61 officers were lost to accidents in the line of duty — 24.6% of this state's fallen. That is 6.4 percentage points below the national rate of 31%.
At Stanley Police Department, 1 of 2 officers on record were lost to accidents in the line of duty — 50% of this agency's fallen.
National Cause Distribution
How Accident compares to all causes of officer death in the memorial record. Arthur Milford Sem's cause is highlighted.
How Arthur Milford Sem Compares
When Accident Deaths Occur
Monthly distribution of Accident deaths across the full memorial record. Arthur Milford Sem is highlighted in Jun.
Others Who Wore This Badge
1 officer from Stanley Police Department are honored on badge.nw.
