JD
U.S. Marine Corps · United States 
Joseph Dunn
2014
Joseph James Dunn served the U.S. Marine Corps.
How He Died
Manner
Homicide
Cause
Gunshot wound
Mechanism
Motor vehicle
What Happened
Deputy Sheriff Joe Dunn was struck and killed by a vehicle that was being pursued by other deputies near Belt, Montana.
The driver of the vehicle had been pursued from Great Falls, Montana, along Highway 87 at high speeds when he struck Deputy Dunn near mile marker 77, as Deputy Dunn attempted to deploy spike strips. The man then turned around and continued back to Great Falls, where he was taken into custody.
On December 11th, 2015, the man was convicted of murder and sentenced to life without the possibility of parole.
Deputy Dunn was a U.S. Marine Corps veteran and had served with the Cascade County Sheriff's Office for 2-1/2 years.
The driver of the vehicle had been pursued from Great Falls, Montana, along Highway 87 at high speeds when he struck Deputy Dunn near mile marker 77, as Deputy Dunn attempted to deploy spike strips. The man then turned around and continued back to Great Falls, where he was taken into custody.
On December 11th, 2015, the man was convicted of murder and sentenced to life without the possibility of parole.
Deputy Dunn was a U.S. Marine Corps veteran and had served with the Cascade County Sheriff's Office for 2-1/2 years.
Survivors
He is survived by his wife and two children.
Service Record
U.S. Marine Corps
Also Served
Cascade County Sheriff's Office
Deputy Sheriff
In Our Keeping
Permanent identifier
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Record added
August 2, 2026
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Last updated
August 2, 2026
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