Cowlitz Co. Sheriff's Office
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News Releases
Deputy Justin DeRosier Memorial Venue Announced- press release - 04/17/19

For our Law Enforcement Family

*For Immediate Release*



April 17, 2019





We appreciate your patience as we work with the family on the details surrounding the Memorial Service.


Sheriff Brad Thurman and the DeRosier family announce Deputy Justin DeRosier’s Memorial Service will occur on Wednesday, April 24th, 2019 at 1:00 p.m.


The Memorial will be held at:

The Earle A. & Virginia H. Chiles Center at the University of Portland

5000 North Willamette Boulevard

Portland, OR 97203


There will also be a live video feed at the following site:

New Life Church

2441 42nd Avenue

Longview, WA 98632


We will share further detail about the memorial service, parking and other logistics as they are firmed up.  If you have questions please check the Cowlitz County Sheriff’s Office Facebook page:


Deputy Justin DeRosier Memorial Fund - 04/17/19

*For Immediate Release*


April 17, 2019




Sheriff Brad Thurman and Cowlitz County, in partnership with U.S. Bank, have opened a donation account for the Deputy Justin Derosier Memorial Fund.  To best serve the DeRosier’s, permission was received from the family to establish this donation account which protects the family from unintended tax liabilities.  Tax liability to the family can occur if donations are not made through proper channels. 


This fund will be used to help cover Memorial expenses.  If there are any donations remaining after the Memorial costs are covered, those remaining funds will go directly to the DeRosier family.

For anyone wishing to donate, the U.S. Bank account information is:

Account Name:  Deputy Justin DeRosier Memorial Fund

Account Number:  153569437830

Routing Number:  125000105


Donations may also be completed in person at the Cowlitz County Administrative Building, or checks may be mailed to:

Cowlitz County

Attn:  KayLee McKay

Administrative Building

207 Fourth Avenue North, Room 308

Kelso WA 98626


If you have questions concerning donating, please call KayLee at 360.577.3065 x6991.


Cowlitz County is working to support the DeRosier family through this tragedy while staying within the rules of the State Constitution. If you have questions, please visit or call KayLee McKay. 

We thank You

Cowlitz County Sheriff's Office Identifies Deputy Slain in the line of duty (Photo) - 04/14/19

The Cowlitz County Sheriff's Office is releasing the name of the Deputy Sheriff who was slain in the line of duty on April 13, 2019 near Kalama. He is Justin R. Derosier who was 29-yoa and leaves  a wife and 5-month old daughter. He graduated from Kelso High in 2008 and WSU with a degree in Criminal Justice. He had served as an Police Officer during summers in College in Bristol Bay Borough, Alaska and was hired fulltime as a Deputy Sheriff by the Whitman County Sheriff's Office. While there he served part-time with the Oakesdale Town Marshals Office.He then joined the Cowlitz County Sheriffs Office in 2016. In his career Derosier has served as a Patrol Deputy, SWAT Officer, and a boat operator. Attached is his Official portrait. Funeral arragements are pending.


Sheriff Brad Thurman

Attached Media Files: DeRosier.jpg
Cowlitz County Sheriff's Office Deputy shooting - 04/14/19

See attached file.

Sheriff Brad Thurman

Cowlitz County Sheriff's Detectives Arrest Two in Ryderwood Homicide Investigation - 04/09/19

On April 9th, 2019 Cowlitz County Sheriff’s Office detectives, with assistance from the Centralia Police Department, made two arrests related to the March 18th, 2019 murder of Ryderwood resident Travis Seiber, age 47.

Anthony S. Depuisaye-Green, age 26, of Centralia was booked into Cowlitz County Jail on charges of Murder in the First Degree, Robbery in the First Degree and Unlawful Possession of a Firearm in the First Degree. 

Elizabeth A. Rogen, age 43, of Centralia was booked into Cowlitz County Jail on charges of Murder in the First Degree and Robbery in the First Degree. 

The Cowlitz County Sheriff’s Office will not be releasing further details at this time as the investigation is ongoing.

Anyone with information regarding this investigation is requested to contact Detective Lorenzo Gladson at 360-577-3092.


Troy Brightbill

Chief Criminal Deputy

Cowlitz County Sheriff’s Office




Search for shooter
Search for shooter
(added pic) Cowlitz Sheriff assisted by Vancouver K9 to capture suspect in drive by shooting (Photo) - 03/28/19

++ Added pic ++

Longview, Wash – On 3-27-19 at about 7:30 p.m. the Cowlitz Sheriff’s Office was advised that a man just shot several rounds into the apartments at 2128 – 46h Ave and fled in a silver SUV or Van.    A few minutes later Kelso Police spotted the vehicle and when they tried to stop it, it sped up and refused to stop.    They pursued it south on I-5, but lost sight of it just north of Kalama.  

The following Law Enforcement Agencies responded to assist in locking down the area and searching for the suspect:   Kelso Police, WSP, Kalama, Woodland, BNSF, and Vancouver Police K9.  

Deputies deployed a drone with night vision and two K9 team.  The vehicle was located on Hendrickson Drive Kalama.   A reverse 911 notification was sent out to area residents and trains were shut down.   The Vancouver K9 Team found the suspect hiding inside the industrial glass plant in the area.    He was taken in to custody with no struggle. 

The suspect is:    Daron T. Knight 42 years, Transient.     He was booked for:

Drive By Shooting, Felony Eluding, Malicious Mischief (Felony), Making False Statements, Criminal Trespass 1st degree, and Driving While Suspended (Warrant).

The investigation revealed that he shot at least 5 bullets in to the apartment complex.    It is reported that he was recently evicted from the apartment.   No one was injured by the shooting. 

Charlie Rosenzweig, Chief Criminal Deputy, 

Attached Media Files: Search for shooter