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: Law Enf & Criminal Justice, Police Practices & Procedures, and Security.

Tony Turnbull

Police & Investigative Practices Expert-Nationwide

Turnbull Consulting

Cameron Park, California
Police Practices & Procedures, Law Enf & Criminal Justice - 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
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 ...

John D. Dale

Fort Lauderdale, Florida
Law Enf & Criminal Justice, Police Practices & Procedures - 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 subject matter expert conducting external police use of force reviews as part of a court approved settlement agreement (CASA) between the Department of Justice and the Albuquerque Police Department. These reviews include police uses of force connected to officer involved shootings, tactical activations, less-lethal munitions, Conductive Energy Weapons, chemical munitions/agents, impact weapons and physical control. A law enforcement professional since 1989 with experience as an Assistant Chief of Police (Boynton Beach Police Department), a Colonel (Broward Sheriff's Office), and a Captain, Sergeant, Detective, Officer (Fort Lauderdale Police Department). Experienced in the areas of Investigations (Criminal, Strategic, Internal Affairs), Professional Standards (Public Corruption, Training, Policy/Accreditation, Human Resources). Former Law Enforcement Training Center Director for the Broward Sheriff's Office. Experienced in the areas of police training, SWAT, criminal investi...

James (Jim) McMahon, CPP, CISSP, Director Certified

Board certified in Physical & Info Sys Security

McMahon & Associates

Eagle, Idaho
Security, Law Enf & Criminal Justice - 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
Multiple professional certifications. 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 findings to design & execute strategies. Excels at interacting with broad populations, including C-le...