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The Office of Independent Investigations (OII) will begin actively investigating use of deadly force incidents beginning on Dec. 1, 2024, starting with Region 1 - West

Our mission at OII is to conduct fair, thorough, transparent, and competent investigations.

Our vision is that all investigations of police use of force will be free from bias and trusted by everyone.

Recent News

Update 3 – Names released of person killed and deputy involved in deadly force incident in Vancouver

Case number: OII-2025-0009

Olympia, Wash. (August 6, 2025) –

Update 2 - OII tip line for deadly force incident involving Clark County Sheriff’s Office

Case number: OII-2025-0009 

Olympia, Wash. (Aug. 2, 2025) – The Washington State Office of Independent Investigations (OII) has…