Robert Mills
Savannah,TN
Summary
Lead Investigator III with more than 21 years of progressively responsible investigative, operational, and leadership experience managing complex, high-risk investigations, regulatory compliance matters, digital evidence, financial crime, and crisis response. Extensive experience resolving time-sensitive incidents requiring sound judgment, executive communication, and cross-functional coordination with prosecutors, financial institutions, technology companies, and government partners. Daily user of generative AI to accelerate investigative analysis, improve documentation quality, streamline workflows, and support decision-making while maintaining independent human review of AI-generated outputs for legal, factual, and ethical accuracy.
Overview
22
22
years of professional experience
Work History
Lead Investigator III
Riverside County Sheriff's Office
01.2024 - Current
- Lead complex felony investigations involving robbery, burglary, financial crime, elder abuse, digital evidence, and technology-facilitated offenses.
- Conduct end-to-end digital investigations using financial records, cellular records, surveillance evidence, and search warrant returns.
- Prepare executive-level investigative summaries, affidavits, prosecution packages, and search warrants.
- Coordinate investigations with prosecutors, financial institutions, technology companies, cellular providers, and partner agencies.
- Utilize generative AI daily to accelerate investigative research, document drafting, evidence organization, and workflow efficiency while independently validating all AI-generated content.
- Develop standardized investigative templates and AI-assisted workflows that improve documentation consistency and reduce repetitive work.
- Identify process inefficiencies and implement repeatable solutions that improve investigative quality and efficiency.
- Mentor investigators in investigative strategy, digital evidence analysis, report writing, and search warrant preparation.
Investigator II / Lead Investigator III
Professional Standards Bureau
01.2022 - 01.2024
- Conducted sensitive administrative investigations involving employee misconduct, policy compliance, organizational risk, and civil liability.
- Prepared executive reports and investigative findings for command staff.
- Applied independent judgment to confidential, high-risk investigations requiring accuracy and discretion.
Lead Investigator III
Riverside County Sheriff's Office
01.2005 - Current
- Progressively promoted through the ranks from Deputy to Lead Investigator III.
- Supervised patrol personnel as a Corporal, mentoring deputies, reviewing investigative reports, and coordinating critical incidents.
- Authored and executed more than 200 search warrants involving financial institutions, technology providers, cellular carriers, and social media companies.
Education
High School Diploma -
Valley View High School
Moreno Valley, CA1997
Skills
- Complex Investigations
- Digital Evidence Analysis
- Financial Crime Investigations
- Regulatory Compliance
- Crisis Response
- Executive Briefings
- Cross-Functional Collaboration
- Root Cause Analysis
- AI-Assisted Investigations
- Prompt Engineering
- Workflow Automation
- AI Output Validation
- Process Improvement
- Decision Framework Development
- Human-in-the-Loop Quality Review
- Search Warrants
- Historical Cellular Analysis
- CellHawk
- NightHawk
- Microsoft Office
Timeline
Lead Investigator III
Riverside County Sheriff's Office
01.2024 - Current
Investigator II / Lead Investigator III
Professional Standards Bureau
01.2022 - 01.2024
Lead Investigator III
Riverside County Sheriff's Office
01.2005 - Current
High School Diploma -
Valley View High School
Awards & Certifications
California POST Advanced Certificate, California POST Background Investigator, FAA Part 107 Remote Pilot, Three Life Saving Awards, LEAC Investigation Excellence Award (2019), LEAC Unit Citation (2020), Officer of the Quarter (2012)
AI & Operational Innovation
- Daily user of generative AI for investigative analysis, report drafting, legal document development, and workflow optimization.
- Apply prompt engineering techniques to improve investigative efficiency while maintaining human oversight of all operational decisions.
- Evaluate AI-generated content for factual accuracy, legal sufficiency, investigative completeness, and ethical considerations before operational use.
- Continuously explore emerging AI capabilities and integrate practical applications into investigative workflows.