Police Officer Harold J. Mosman

Police Officer Harold J. Mosman

Lewiston Police Department, Idaho

End of Watch Tuesday, August 9, 1921

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Harold J. Mosman

Officer Mosman was killed in a motorcycle accident while attempting to locate a doctor to attend to two drowning victims on the Clearwater River. He was attempting to pass a car on Main Street when his motorcycle wheels struck streetcar tracks, causing him to be thrown from the bike. Officer Mosman was taken to St. Joseph's Hospital where he died two days later.

Officer Mosman had been with the agency for only three months.


  • Age 21
  • Tour 3 months
  • Badge Not available

Incident Details

  • Cause Motorcycle crash
  • Incident Date Sunday, August 7, 1921

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Officer Mosman,
On today, the 100th anniversary of your death I would just like to say thank you for your service and sacrifice for the citizens of Lewiston.


United States Border Patrol

August 9, 2021

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