On September 17, 2026, the Douglas County Sheriff’s Office received notification from the U.S. Marshals Service that they located and arrested Mark R. Okhrimchik, a 19-year-old University Place, WA resident, without incident. Okhrimchik was transported to the Tacoma Federal Courthouse, where Douglas County Detectives responded and took custody of him. Personnel from the U.S. Marshals Service arrested Okhrimchik on an outstanding Douglas County felony warrant for the following charges:
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100 19th Street NW, Suite A East Wenatchee, WA 98802 (509) 884-0941 Fax (509) 886-1045
• Manslaughter in the First Degree
• Arson in the First Degree
• Malicious Mischief in the First Degree
• Assault in the Third Degree (Six Counts)
Detectives subsequently transported Okhrimchik to the Chelan County Regional Justice Center, where he was booked on the above-listed charges.

Mark R. Okhrimchik Arrest Photo
Similar arrest warrants have been issued for three other suspects involved in this investigation. Our office will continue working with all our law enforcement partners to bring those individuals into custody.
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On September 17, 2026, the Douglas County Sheriff’s Office received notification from the U.S. Marshals Service that they had located and arrested Valentin V. Tabunscic, an 18-year-old Tacoma, WA resident, and Julian A. Mikityuk, a 19-year-old Pacific, WA resident, without incident. These arrests occurred shortly after the Marshals located and arrested Mark R. Okhrimchik earlier that same day. Douglas County Detectives responded and took custody of both subjects from the U.S. Marshals Service. Tabunscic and Mikityuk were arrested near their residences on outstanding Douglas County felony warrants for the following charges:
• Manslaughter in the First Degree
• Arson in the First Degree
• Malicious Mischief in the First Degree
• Assault in the Third Degree (Six Counts)
Detectives subsequently transported Tabunscic and Mikityuk to the Chelan County Regional Justice Center, where they were booked on the above-listed charges.

Valentin V. Tabunscic Arrest Photo

Julian A. Mikityuk Arrest Photo
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Two suspects remain outstanding in this investigation. One suspect currently has an active arrest warrant, and a warrant for the second suspect will be issued once detectives complete positive identification.