Criminal Investigations Expert Witnesses
Criminal investigations expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on criminal investigations. The criminal investigations expert witness listings on this page are typically from fields/areas of expertise such as: Investigation, Law Enf & Criminal Justice, Police Practices & Procedures, and Security.
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James (Jim) McMahon, CPP, CISSP
Physical/Info Sys Security Expert/Law Enforcement
McMahon & Associates
California
Security, Law Enf & Criminal Justice
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Intellectual Property protection, Physical /Personal/ Information/Network Security, Criminal Investigations, POLICE, CCTV, Computer Forensics, evidence collection, Standard of Care, Training, Fraud, Premises liability, Use of Force, premise security, truth, Information Systems Security, Expert Witness, de-escalation, tracking
Director Certified, Leadership Fellow NACD / Law Enforcement Exec.
Multiple professional certifications. Expert Witness Pre-case consultant
Accomplished professional with comprehensive international investigative skills, information security, and regulatory compliance background and success in achieving and exceeding organizational goals and objectives. Set goals, priorities, manage resources and develop safety plans. Accepted in state and federal courts as an expert witness.
Wide spread work in risk management, premises liability, duty of care, production, manufacturing, customer safety, executive protection global travel, employee training, fraud investigations, pre-employment background, drug testing, innovative regulatory compliance and loss prevention activities within local, state and federal guidelines. Frequent corporate advisor. Significant international experience and operations.
Successful multiple international projects. Research & evaluate industry trends, using...
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Tony Turnbull
Police Practices Expert-Nationwide
Turnbull Consulting
Cameron Park, California
Police Practices & Procedures, Law Enf & Criminal Justice
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Civil Rights, Interrogations, Police Practices, Search & Seizure, Laws of Arrest, Wrongful Conviction, False Arrest, Officer Involved Shootings, Homicide, Crime Scenes, In-Custody Deaths, Criminal Investigations, Jails & Prisons, Admin Investigations, Cell Phone Analysis, Probable Cause, Violent Crimes, Cold Case, Jails, Prisons
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 ...
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John Dale
Police Practice Expert - Extensive LE Experience
JD Consulting, Inc
Pembroke Pines, Florida
Law Enf & Criminal Justice, Police Practices & Procedures
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Use of Force, Criminal Investigations, Police Misconduct, Internal Affairs, Employee Investigations, Civil Rights Violations, Excessive Force, Police Tactics, Officer Involved Shootings, Mass Shootings, School Security, Vehicle Pursuits, Police Policy, Arrests, Police Training
A nationally experienced law enforcement executive and subject matter expert in police practices, procedures, use of force, training, supervision, and organizational management. Retained in both federal and state courts in criminal and civil matters involving police operations, use of force, officer conduct, policy, training, supervision, internal affairs, and police management practices.
Since 2019, has provided expert analysis, case review, and consulting in matters involving officer-involved shootings, tactical operations, less-lethal force, Conductive Energy Weapons (CEWs/Tasers), chemical agents and munitions, impact weapons, physical control techniques, and law enforcement decision-making. Served as an external force investigator conducting comprehensive force reviews pursuant to a U.S. Department of Justice consent decree.
Law enforcement professional with more than 35 years of progressive command and operational experience, currently serving as an Assistant Chief of Police...
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James (Jim) McMahon, CPP, CISSP
Physical/Info Sys Security Expert/Law Enforcement
McMahon & Associates
Eagle, Idaho
Security, Law Enf & Criminal Justice
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Intellectual Property protection, Physical /Personal/ Information/Network Security, Criminal Investigations, POLICE, CCTV, Computer Forensics, evidence collection, Standard of Care, Training, Fraud, Premises liability, Use of Force, premise security, truth, Information Systems Security, Expert Witness, de-escalation, tracking
Director Certified, Leadership Fellow NACD / Law Enforcement Exec.
Multiple professional certifications. Expert Witness Pre-case consultant
Accomplished professional with comprehensive international investigative skills, information security, and regulatory compliance background and success in achieving and exceeding organizational goals and objectives. Set goals, priorities, manage resources and develop safety plans. Accepted in state and federal courts as an expert witness.
Wide spread work in risk management, premises liability, duty of care, production, manufacturing, customer safety, executive protection global travel, employee training, fraud investigations, pre-employment background, drug testing, innovative regulatory compliance and loss prevention activities within local, state and federal guidelines. Frequent corporate advisor. Significant international experience and operations.
Successful multiple international projects. Research & evaluate industry trends, using...
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ANDREW T. WILLIAMS
Retired Police Chief and Highway Patrol Commander
Andrew T. Williams Consulting and Investigations
Vonore, Tennessee
Police Practices & Procedures, Investigation
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Expert Witness/Best Practices, Use of Force, Officer Involved Shootings, DUI, Traffic Collision/Personal Injury, Drug Recognition Expert, Criminal Investigations, EEO/HR Investigations, Pursuits/Emergency Vehicle Operations, Risk Management, Evidence Handling, De-Escalation and Crisis Management, Media Relations, Hiring
Andrew Williams is a retired municipal Police Chief and a retired State Highway Patrol Commander, with nearly 30 years of progressive law enforcement experience. Andrew offers expert witness services and consulting regarding case evaluation and strategy, incident evaluation, personnel issues, risk management concerns, and policing best practices. Andrew also conducts all types of investigations and process serving.
Expert Witness / Consultant Specialties
Use of Force review/Policy/Best Practices Officer Involved Shootings
Drug Recognition Expert & DUI Evaluations Traffic Collision/Personal Injury
Internal Affairs Investigations Criminal Investigation Best Practices
EEO/HR Investigations Emergency Vehicle Operations/Pursuits
Police Management and Leadership Field Training Officer/Program Management
Evidence Handling/Best Practices Risk Management
De-Escalation and Crisis Management Peer Support/Employee Wellness...