Deputy Sheriff Justin Richard DeRosier

Deputy Sheriff Justin Richard DeRosier

Cowlitz County Sheriff's Office, Washington

End of Watch Sunday, April 14, 2019

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Justin Richard DeRosier

Deputy Sheriff Justin DeRosier was shot and killed in the 100 block of Fallert Road after responding to investigate reports of a disabled motor home shortly after 10:00 pm.

After arriving at the scene, he contacted dispatchers with emergency traffic and stated he was being fired at. Members of the Cowlitz County Sheriff's Office and the Kalama Police Department responded to the scene and were able to pull him to safety. He was flown to PeaceHealth Medical Center in Vancouver where he passed away shortly after midnight.

Two suspects were taken into custody near the scene. A third suspect was shot and killed when he was encountered by other officers who were searching for him the following night.

The subject who was killed was the half-brother of the man who murdered Chief of Police Ralph Painter of the Rainier Police Department, Oregon, on January 5th, 2011.

Deputy DeRosier had served with the Cowlitz County Sheriff's Office for three years and had previously served with the Whitman County Sheriff's Office for three years. He is survived by his wife and 5-month-old daughter.


  • Age 29
  • Tour 6 years
  • Badge Not available

Incident Details

  • Cause Gunfire
  • Incident Date Saturday, April 13, 2019
  • Weapon Gun; Unknown type
  • Offender Shot and killed

disabled motorist

Most Recent Reflection

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Blessed are the peacemakers, for they shall be called sons of god. Matthew 5:9

God Bless your Family.

This one has hit me hard. We both worked at Sheriff's Offices at the time of his death, and share initials. We also were about the same age, have families and shared a desire to serve others.

I've wished to donate a badge of mine to his daughter in honor of his memory. If anyone knows his family, please feel free to reach out.

God Bless

Officer Joseph DeRosier
Inver Grove Heights Police Department

January 19, 2024

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