Private William J. Grissam

Private William J. Grissam

United States Department of the Interior - United States Park Police, U.S. Government

End of Watch Sunday, March 20, 1932

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William J. Grissam

Private William Grissam was killed while on patrol after his bicycle struck a parked car on John Marshall Place, near Pennsylvania Avenue.

A taxi driver found Private Grissam laying unconscious in the roadway and took him to the Emergency Hospital shortly after 5:00 am. He died at the hospital approximately one hour later.

Private Grissam had served with the United States Park Police for 16 years. He was survived by his wife and two daughters.


  • Age 54
  • Tour 16 years
  • Badge Not available

Incident Details

  • Cause Bicycle accident
  • Location District of Columbia

Most Recent Reflection

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The proud men and women of the United States Park Police will never forget the ultimate sacrifice of Officer William Grissam and his surviving family. The selfless actions of our Fallen Heroes are the foundation of our core values (Integrity ~ Honor ~ Service). During Police Week, each year, we re-affirm and re-dedicate our commitment by honoring your service, your memory, and your sacrifice.

Chief of Police Rob MacLean
United States Park Police

May 6, 2016

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