Undersheriff James Thompson
Missoula County Sheriff's Department

Undersheriff Thompson died of heat stroke after riding on horseback for 60 miles in 100-degree temperatures. He had ridden from Missoula to the Flathead Indian Reservation to arrest a man who had escaped from the county jail. When he arrived at the reservation he collapsed. He was put under the care of a doctor but died one week later.
His wife survived Undersheriff Thompson.
- End of Watch:
- July 1, 1878