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Incident
Trooper Thomas Hendrickson was struck and killed by a vehicle while making a traffic stop on SR 20 near Burlington, Washington. A car coming from the opposite direction crossed the roadway, struck Trooper Hendrickson, and then fled the scene. As other officers investigated the accident, they located a piece of purple debris on the roadway. A car of the same color as the debris with body damage drove by, and one of the officers attempted to stop it. After a short pursuit, the suspect was apprehended. The 19-year-old subject was convicted of negligent homicide and hit and run. Trooper Hendrickson had served with the Washington State Patrol for four years and was assigned to the Mount Vernon WSP detachment.
Survivors
He is survived by his wife, two children, and parents.
In Our Keeping
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- Added to badge.nw
- August 2, 2026
- Last updated
- August 2, 2026
Honored here by 1 tribute.
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Tributes
I never knew you. I am standing here anyway.
Trooper Hendrickson gave the Washington State Patrol 4 years.
Thank you for your service to the people of Washington. Gone but never to be forgotten.
Rest easy, Trooper Hendrickson.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Felonious
Washington State Patrol has lost 34 officers; 8 of them killed feloniously.
Thomas is one of 187 officers killed feloniously in WA, 55% of the 340 remembered there.
Thomas is one of 15,742 officers killed feloniously in the United States, 57.1% of the 27,551 remembered there.
Thomas is one of 17,622 officers killed feloniously worldwide, 51.7% of the 34,102 remembered here.
34,102 officers are remembered on this memorial. Each number below is one of them.
Time
In 1974, 1 officer at Washington State Patrol was killed feloniously, more than in any other year.
In 1974, 1 officer in WA was killed feloniously, the 44th heaviest of 96 years on record. The heaviest was 1935, with 8.
In 1974, 162 officers in the United States were killed feloniously, the 22nd heaviest of 213 years on record. The heaviest was 1921, with 248.
In 1974, 178 officers worldwide were killed feloniously, the 22nd heaviest of 265 years on record. The heaviest was 1921, with 516.
Who
Thomas was 31. Of the 8 killed feloniously at Washington State Patrol whose age is recorded, half were between 31 and 42.3; the middle age was 32.5. Thomas had served 4 years; the middle length of service was 12 years.
Thomas was 31. Of the 159 killed feloniously in WA whose age is recorded, half were between 33 and 46; the middle age was 41. Thomas had served 4 years; the middle length of service was 7 years.
Thomas was 31. Of the 14,219 killed feloniously in the United States whose age is recorded, half were between 31 and 47; the middle age was 38. Thomas had served 4 years; the middle length of service was 6 years.
Thomas was 31. Of the 15,853 killed feloniously worldwide whose age is recorded, half were between 30 and 46; the middle age was 38. Thomas had served 4 years; the middle length of service was 6 years.
When
November holds 12.5% of these deaths at Washington State Patrol; December holds the most, 25%. Sundays: 25%.
November holds 11.8% of these deaths in WA, more than any other month. Sundays: 18.7%.
November holds 8.1% of these deaths in the United States; December holds the most, 9.4%. Sundays: 15.2%.
November holds 8.2% of these deaths worldwide; December holds the most, 9.2%. Sundays: 15.2%.
How
Felonious deaths account for 23.5% of all 34 deaths at Washington State Patrol, the 2nd most common cause. The weapon recorded was automobile, in 37.5% of these deaths.
Felonious deaths account for 55% of all 340 deaths in WA, the most common cause. The weapon recorded was automobile, in 5.9% of these deaths.
Felonious deaths account for 57.1% of all 27,551 deaths in the United States, the most common cause. The weapon recorded was automobile, in 4.9% of these deaths.
Felonious deaths account for 51.7% of all 34,102 deaths worldwide, the most common cause. The weapon recorded was automobile, in 4.4% of these deaths.
His people
Washington State Patrol has 34 officers remembered here, Thomas among them.
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Vernon G. Fortin
Sep 30, 1923
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Irving M. Thorsvig
Oct 26, 1926
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Conard C. Tolson
Mar 24, 1929
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Henry Douglas Cossmann
Oct 9, 1929
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William H. Pautzke
May 8, 1930
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Loren G. Ray
Dec 16, 1934
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Allen E. Ludden
Mar 15, 1938
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John H. Gulden
Dec 23, 1942
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Thomas J. Hanlin
May 26, 1945
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Paul H. Johnson
Dec 12, 1949
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Ivan Belka
Aug 18, 1951
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Donald R. Campbell
Dec 21, 1951
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John F. Wright
Jun 28, 1953
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Eugene A. Bolstad
Sep 3, 1957
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Ernest E. Eichhorn
Sep 16, 1958
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Wesley H. Whittenberg
Dec 29, 1960
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Clarence C. Johnson
Sep 8, 1968
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Charles Frank Noble
Feb 5, 1972
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Joseph B. Modlin
Aug 15, 1974
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Thomas L. Hendrickson
Nov 17, 1974
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Glenda Darlene Thomas
May 24, 1985
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James S. Gain
Mar 2, 1987
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Clifford R. Hansell
Jul 22, 1987
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Raymond L. Hawn
Jan 17, 1990
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Steven Lee Frink
Mar 22, 1993
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James E. Saunders
Oct 7, 1999
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Tony Vian Radulescu
Feb 23, 2012
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Sean Michael O'Connell, Jr.
May 31, 2013
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Brent L. Hanger
Aug 6, 2015
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Suzanne Padgett
Sep 4, 2018
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Justin Robert Schaffer
Mar 24, 2020
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Eric Thomas Gunderson
Sep 26, 2021
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Christopher M. Gadd
Mar 2, 2024
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Tara-Marysa Guting
Dec 19, 2025
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 31-E
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