OIG Reports

Project Map

- Sep 24, 2024 - OIG Project Map

Published Reports

Sentinel Event Review Reports

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

Jan 23, 2026 - Chief of Police Reporting Q3 2025
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

Feb 5, 2026 - SPD Equity Assessment - Efforts to Advance DEI
Jan 22, 2026 - Audit of SPD Extended Leave
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

Feb 10, 2026 - 2025 Evaluation of OPA Bias Review Process
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

Sept 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