Tony Turnbull Expert Witness
Curriculum Vitae

Police & Investigative Practices Expert-Nationwide

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Specialties & Experience of this Expert Witness

General Specialties:

Police Practices & Procedures and Law Enf & Criminal Justice

Keywords/Search Terms:

1983, Interrogations, Police Practices, Search & Seizure, Laws of Arrest, Wrongful Conviction, Wrongful Arrest, Officer Involved Shootings, Homicide, Crime Scene Analysis, In-Custody Deaths, Criminal Investigations, Jails & Prisons, Admin Investigations, Ethics, RICO, Violent Crimes

Education:

BA, California State University, Sacramento

Years in Practice:

30

Additional Information

I am a retired Sergeant with the Sacramento County Sheriff's Office. I have over 30 years of law enforcement experience. I am a Police Practices Expert with a wide range of expertise, including but not limited to, Major Crime Scene Management, Homicide Investigations, Criminal Investigative Practices, Cellular Phone Forensic Analysis, Officer Involved Shooting Investigations, In-Custody Deaths, Interview & Interrogation Techniques (both Reid and Science Based), and other in-depth investigations, including Conspiracy, Robbery, Missing Persons, Kidnapping, Murder for Hire, Gang Related Crimes, and Narcotics. I provide consulting and expert witness services specializing in extensive and in-depth case reviews, analysis, and independent and objective opinion development for thorough Rule 26 reports and testimony. I am an instructor with California POST Robert Presley's Institute of Criminal Investigations including Investigators Core, Homicide Investigations, Officer Involved Shooting Investigations, Interview & Interrogation, and Science Based Interviewing. My areas of expertise are: Criminal Investigation Analysis, Police Practices & Procedures, Officer Involved Shooting Investigations, Crime Scene Management, Interview & Interrogation Techniques, 4th Amendment Issues including Search & Arrest Warrants, Probable Cause Analysis, Wrongful Arrest/Conviction Analysis, RICO, Jails/Prisons, and Administrative Investigations. I have a wide range experience and expertise. I spent 20 years of my career in Investigations including 6 years in Gangs & Narcotics and 14 years in the Homicide Bureau, including 3 years as the Homicide Bureau Supervisor. I have investigated thousands of criminal cases, over 500 homicide investigations, several in-custody death investigations, and over 50 Officer Involved Shooting investigations. (CV is attached and referrals upon request) **I can travel domestically and internationally if the case requires it.