OIG Reports

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Current Reports (2026 - Present)

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Strategic Leadership

Advancing the department mission and represent the expertise of OIG.

Feb 12, 2026 - Sentinel Event Review Report: May 24th Cal Anderson Event

Audits

Conducting reviews and performance audits on SPD and OPA operations to assess and manage risks.

Jan 22, 2026 - Audit of SPD Extended Leave

Compliance & Policy

Evaluating SPD and OPA policies, practices, and processes.

Feb 05, 2026 - SPD Equity Assessment - Efforts to Advance DEI

Investigations

Reviewing OPA and Chief of Police complaints.

Feb 27, 2026 - Chief of Police Reporting Q4 2025
Feb 10, 2026 - 2025 Evaluation of OPA Bias Review Process
Jan 23, 2026 - Chief of Police Reporting Q3 2025

Past Reports (2018 - 2025)

The City of Seattle treats past information produced prior to 2026 as reference only material. Details about historical content limitations are available in our Terms of Use.

Project Map

Sep 24, 2024 - OIG Project Map

Sentinel Event Review Reports

Aug 29, 2025 - OIG SER Cal Anderson Methodology and Status Report
Apr 18, 2025 - 2025 Sentinel Event Review Status Memo
Jul 22, 2021 - Sentinel Event Review Report Wave 1
Mar 14, 2022 - Sentinel Event Review Report Wave 2*
Oct 11, 2022 - Sentinel Event Review Report Wave 3
Apr 18, 2023 - Sentinel Event Review Report Wave 4

OIG Annual, Semi-annual, and Quarterly Reports

Dec 19, 2025 - 2026 Work Plan
Dec 10, 2025 - Quarterly Review of OPA - Q3 2025
Sep 22, 2025 - Mid-Year Review of OPA - 2025
May 27, 2025 - Quarterly Review of OPA - Q1 2025
Apr 29, 2025 - 2024 Annual Report
Jan 30, 2025 - 2025 Work Plan
Dec 20, 2024 - Quarterly Review of OPA - Q3 2024
Sep 23, 2024 - Mid-Year Review of OPA - 2024
Jun 3, 2024 - Quarterly Review of OPA - Q1 2024
Apr 26, 2024 - 2023 Annual Report
Dec 18, 2023 - 2024 Work Plan
Dec 15, 2023 - 2022 Annual Report
Dec 11, 2023 - Quarterly Review of OPA - Q3 2023
Sep 19, 2023 - Mid-Year Review of OPA - 2023
May 18, 2023 - Quarterly Review of OPA - Q1 2023
Dec 16, 2022 - 2023 Work Plan
Dec 16, 2022 - 2021 Annual Report
Dec 30, 2021 - 2022 Work Plan
Nov 24, 2021 - 2020 Annual Report
Dec 21, 2020 - 2021 Work Plan
Jul 14, 2020 - Quarterly Review of OPA - Q1 2020
May 14, 2020 - 2019 Annual Report
Dec 31, 2019 - 2020 Work Plan
May 31, 2019 - OPA Auditor Report
Apr 4, 2019 - 2019 Work Plan

Police Intelligence Audits/Reviews SMC 14.12

Nov 4, 2025 - 2025 Biannual Review of SMC 14.12 Q3 2025
Mar 7, 2025 - 2024 Second Chapter 14.12 Compliance Review
Aug 27, 2024 - 2024 First Chapter 14.12 Compliance Review
Dec 21, 2023 - 2023 Chapter 14.12 Compliance Audit
Jun 21, 2019 - 2018 Chapter 14.12 Compliance Audit

Surveillance SMC 14.18

Sep 30, 2025 - Surveillance Technology Usage Review - Automatic License Plate Reader - Patrol (2024)
Sep 30, 2025 - Surveillance Technology Usage Review - Callyo Report (2024)
Jun 6, 2025 - Consolidated Surveillance Technology Usage Review (2024)
Jun 6, 2025 - Surveillance Technology Usage Review - Hostage Negotiation Throw Phone Report (2024)
Dec 12, 2024 - Consolidated Surveillance Technology Usage Review (2023)
Dec 12, 2024 - Surveillance Technology Usage Review - Automated License Plate Reader - Patrol (2023)
Dec 12, 2024 - Surveillance Technology Usage Review - Camera Systems (2023)
Dec 12, 2024 - Surveillance Technology Usage Review - Computer, Cellphone, and Mobile Device Extraction Tools (2023)
Dec 12, 2024 - Surveillance Technology Usage Review - Crash Data Retrieval Tools (2023)
Dec 12, 2024 - Surveillance Technology Usage Review - Tracking Devices (2023)
Sep 30, 2024 - Surveillance Technology Usage Review - Computer-Aided Dispatch (2022-2023)
Sep 30, 2024 - Surveillance Technology Usage Review - CopLogic (2022-2023)
Sep 30, 2024 - Surveillance Technology Usage Review - Forward-Looking Infrared Real-Time Video (2022-2023)
Sep 30, 2024 - Surveillance Technology Usage Review - Geotime (2023)
Sep 30, 2024 - Surveillance Technology Usage Review - Remotely Operated Vehicles (2023)
Sep 29, 2023 - Surveillance Technology Usage Review - Automated License Plate Reader - Patrol (2021-2022)
Sep 29, 2023 - Surveillance Technology Usage Review - Parking Enforcement ALPR Systems (2021-2022)
Sep 29, 2023 - Surveillance Technology Usage Review - i2 iBase Link Analysis Software (2022)
Sep 29, 2023 - Surveillance Technology Usage Review - Audio Recording Systems (2022)
Sep 29, 2023 - Surveillance Technology Usage Review - 9-1-1 Logging Recorder (2021-2022)
Jul 3, 2023 - Surveillance Technology Usage Review - Video Recording Systems (2021-2022)
Jul 3, 2023 - Surveillance Technology Usage Review - Situational Awareness Cameras Without Recording (2021-2022)
Apr 28, 2023 - Surveillance Technology Usage Review - Coplogic (2021)
Apr 28, 2023 - Surveillance Technology Usage Review - Computer-Aided Dispatch (2021)
Apr 28, 2023 - Surveillance Technology Usage Review - Forward Looking Infrared Real-Time Video (2021)
Nov 19, 2020 - Systemic Risks to Compliance with Chapter 14.18 of Seattle Municipal Code Alert Letter
Sep 30, 2020 - 2019 Annual Surveillance Usage Review
Jan 27, 2020 - 2018 Annual Surveillance Usage Review

Use of Force and Crowd Management

Aug 29, 2025 - OIG SER Cal Anderson Methodology and Status Report
Jun 25, 2025 - Force Review Board Feedback Memo 2025
Apr 18, 2025 - 2025 Sentinel Event Review Status Memo
Oct 16, 2024 - Seattle Police Department Crisis Assessment
Sep 16, 2024 - Force Review Board Feedback Memo 2024
Feb 29, 2024 - Seattle Police Department Use of Force Assessment
Apr 18, 2023 - Sentinel Event Review Report Wave 4
Oct 11, 2022 - Sentinel Event Review Report Wave 3
May 13, 2022 - Crowd Psychology, Policing and Interactional Dynamics: Analyzing the Early Stages of the 2020 Protests in the City of Seattle
Mar 14, 2022 - Sentinel Event Review of Police Response to 2020 Protests in Seattle Wave 2
Jul 22, 2021 - Sentinel Event Review of Police Response to 2020 Protests in Seattle Wave 1
Feb 18, 2021 - SPD Response to Persons in Crisis Letter
Nov 3, 2020 - Joint Partner Statement on Election Day
Oct 15, 2020 - Joint Partner Letter on FIT Gap
Aug 14, 2020 - Review of SPD Crowd Dispersal Policies and Less Lethal Weapons
Jun 12, 2020 - Less Lethal Weapons Usage in Protests Memo
Jun 5, 2020 - Accountability Mass Demonstration Memo
Jul 31, 2019 - Force Review Board Assessment

Traffic

Dec 11, 2023 - Safer Traffic Enforcement Workgroup - MEMORANDA
Jan 14, 2022 - Traffic Violations Press Release - MEMORANDA
Jan 14, 2022 - Letter to Inspector General Lisa Judge - MEMORANDA
Jan 9, 2022 - Diaz Request to Deprioritize First Phase Violations - MEMORANDA
May 18, 2021 - Letter to Chief Diaz About Minor Traffic Offenses - MEMORANDA

Discipline

Aug 21, 2025 - Review of SPD Professionalism Policy Disciplinary Trends
Dec 16, 2024 - Follow-Up Audit of Disciplinary Determinations for SPD Sworn Personnel - AUDIT REPORT
Nov 30, 2021 - Audit of Disciplinary System for SPD Sworn Personnel - AUDIT REPORT
Jul 8, 2019 - SPD Disciplinary Process - POLICY REPORT

Operations

Dec 23, 2025 - Evaluation of the City of Seattle Ordinance 126896 on Controlled Substances
Dec 5, 2025 - Audit of SPD Vehicle Pursuits
Oct 20, 2025 - OIG Review of SPD Officer-Involved Collisions
Oct 6, 2025 - 2025 City of Seattle Diversified Crisis Response - Introduction to CARE Team
Aug 20, 2025 - 2024 Report on Claims and Lawsuits Involving Seattle Police Department
Jun 2, 2025 - Excited Delirium Memo
Jul 17, 2024 - Mutual Aid Report
Apr 11, 2024 - Audit of SPD Paid COVID-19 Leave
Dec 22, 2023 - Audit of Youth Access to Legal Counsel
Oct 18, 2022 - Use of Deception in Public Safety Roundtable Memo
Apr 15, 2022 - Review of Systemic Non-Compliance with COVID-19 Masking Requirements Among SPD Personnel
Aug 4, 2021 - Audit of Secure Firearm Storage in Training Facilities
Feb 18, 2021 - Pursuit Policy Alert Letter
Dec 17, 2020 - Audit of Destruction of Post-Conviction DNA Evidence
Jun 24, 2020 - Audit of SPD Patrol Canine Teams
May 8, 2020 - IAPro Information Memo
May 23, 2019 - Firearms Inventory Controls Review
Apr 29, 2019 - Crime Stoppers Memo to Chief Best
Mar 18, 2019 - Evaluation of SPD Disparity Review Methodology
Sep 26, 2018 - Peer Intervention Memo to Chief Best

OPA Reviews and OIG Investigations

Oct 29, 2025 - 2025 Annual Review of OPA Sworn and Civilian Staffing
Aug 13, 2024 - 2024 Annual Study of Sworn and Civilian Staffing
Dec 15, 2023 - 2023 Annual Study of Sworn and Civilian Staffing
Apr 7, 2021 - Closed Case Summary 2020OIG-0004
Feb 16, 2021 - Closed Case Summary 2020OIG-0005

SPOG/SPMA Contract Recommendations

Jan 27, 2020 - SPOG Contract Negotiations Feedback to CM Herbold
Dec 5, 2019 - SPMA Contract Recommendations
Oct 26, 2018 - SPOG Contract Impacts Memo to CM Gonzalez

Chief of Police Complaints

Sep 4, 2025 - Chief of Police Complaints 2025 Q2 Report
Dec 17, 2024 - Findings Letter 2023OPA-0286
Dec 17, 2024 - Transmittal Cover Letter 2023OPA-0286
Dec 17, 2024 - Report of Investigation 2023OPA-0286
Oct 25, 2024 - City Partners Notice 2024OIG-0005
Oct 24, 2024 - Notice of Complaint 2024OIG-0004
Oct 24, 2024 - Notice of Complaint 2024OIG-0005
May 22, 2024 - Notice of Complaint 2023OPA-0286
May 22, 2024 - Notice of Complaint 2024OPA-0075
Jun 22, 2023 - Findings for OPA Investigations Involving Former SPD Chief Carmen Best
May 2, 2023 - Report of Investigation 2020OPA-0476
Apr 20, 2023 - Report of Investigation 2020OPA-0345
Apr 19, 2023 - Report of Investigation 2020OPA-0355