Trooper Harold B. Johnson

Trooper Harold B. Johnson

New Hampshire State Police, New Hampshire

End of Watch Monday, October 11, 1948

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Harold B. Johnson

Trooper Harold Johnson and Chief of Police Andrew Malloy, of the Lancaster Police Department, were killed when their cruiser was struck by a train while returning from a court hearing in Groveton.

The train was backing up and there were no warnings at the unmarked crossing. A third officer was injured in the accident.

Trooper Johnson had served with the New Hampshire State Police for 24 years. He was survived by his wife, son, and two daughters.


  • Age 60
  • Tour 24 years
  • Badge 1

Incident Details

  • Cause Struck by train

attending court, routine driving

Most Recent Reflection

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Trooper Johnson, it has been 75 years since you were taken from us. You would be proud of what New Hampshire law enforcement has become. We continued to thrive, learn and become safer due to the traditions and sacrifices you, your family, and many others have made for us. Thank you for your law enforcement service.

Chief (Ret) Steven Marshall
Georges Mills, NH

October 12, 2023

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