
POLICE PRACTICES EXPERT WITNESS
Providing expert review, testimony, and consulting services on law enforcement standards, policies, and practices for attorneys and agencies involved in civil or criminal litigation.
My Services
Offered Services
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Rule 26 Expert Reports
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Testifying Expert
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Consulting Expert
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Investigative Reviews
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Rebuttal Reports
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Deposition & Trial Testimony
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Will work with clients anywhere in the United States
Areas of Expertise
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Police Practices & Procedures
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Criminal Investigative Analysis
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Investigative Procedures
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Law Enforcement Best Practices
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Homicide Investigations
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In-Custody Death Investigations
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Violent Crime Investigations
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Search & Arrest Warrants
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Interview & Interrogations
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Officer Involved Shootings
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Jails & Prisons
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Violations of §1983 Civil Rights
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Wrongful Convictions
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Malicious Prosecution
Litigation Support
Tony Turnbull offers a diverse range of expertise in his field, coupled with a clear and methodical approach to presenting his insights. With extensive experience handling complex cases, he prioritizes attention to detail in his work. His commitment to effective communication and responsiveness ensures that clients receive the highest level of service and support.
About Me
Tony Turnbull – Police Practices Expert & Law Enforcement Consultant
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Tony Turnbull is a highly respected police practices expert with over 30 years of real-world experience in law enforcement, criminal investigations, and police procedures. His distinguished career includes supervisory leadership and specialized expertise in jails, narcotics, violent crimes, and homicide investigations.
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As an instructor for the POST Robert Presley Institute of Criminal Investigation, Tony trains law enforcement professionals across California in modern policing standards, constitutional use of force, and best investigative practices. He provides expert witness testimony and consulting services in both civil and criminal litigation, offering clear, objective opinions grounded in law enforcement standards, policy compliance, and constitutional policing. He also provides expert review of historical police investigations, applying current or past professional standards to cases.
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Currently serving as a retired annuitant investigator with the Sacramento County Sheriff’s Office, Tony continues to work on cold case homicides, combining decades of investigative experience with updated training in policies, procedures, and police accountability. His extensive field background, analytical approach, and courtroom credibility make him a trusted resource for attorneys, agencies, and courts seeking professional insight into police conduct, investigations, and law enforcement practices.

I Guarantee
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Professionalism
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Expertise
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