Evidence Solutions, Inc. (ESI) is a premier forensics company established in 1982 to help clients obtain, understand, and utilize all the data and information available to them. We can analyze cell phones, computers, hard drives, EDRs, reconstruct accidents, provide trucking standard of care consulting, recover digital data, and provide expert witness testimony in our many areas of expertise. Our experts can help you understand what needs to be done, what should have been done, and what to do next. Call us today so we can help you!
Litigation Support - Evidence Solutions' team of Expert Witnesses has a combined expertise of nearly 3 centuries. Our experts provide expert witness services in Digital Forensics, Law Enforcement, Cyber Security, Accident Reconstruction, Commercial Trucking, Transportation Safety, Real Estate, Greek Fraternity, and Aviation.
Areas of Expertise:
- Digital Forensics
- Auto & Truck Accidents
- Cell Phone Forensics
- Accident Reconstruction
- Black Box Forensics
- Sports and Fitness Injury
- Police Standards and Policies
- CMV Standards
- Greek Fraternity Issues
| - Product Failure Analysis
- Medical Record Recovery and Analysis
- Data Recovery
- Real Estate
- Financial Services
- General Aviation
- Military Aviation
- Trucking Brokerage
- Triangulation / GPS
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Featured ESI Experts:

Trucking and Tow Truck Liability - FMCSA Subject Matter Expert - Driver Hiring, Training & Reactions Expert WitnessJames Lewis has been working as an Expert Witness in the trucking & transportation industry for over 20 years. He obtained his Class A commercial driver’s license in 1987 and boasts more than two million no-fault accident-free miles to show for his efforts. He has served as a transportation terminal manager, safety director, truck driver trainer, and owner/operator.
James’ extensive background in transportation has seen him qualified as an expert witness in federal, state, and local courts. In addition to being the primary expert in several Federal-level class action suits, he has produced more than 12,000 written opinions, has testified in trials, mediations, and arbitrations over 800 times, and has been deposed 167 times.
Expertise: DOT/FMCSA-governed trucking/transportation, Commercial Vehicles (CMVs), Towing and Recovery Operations and Policies, General Transportation Operations, Safety Policies and Procedures, Hours of Service Issues, Drug & Alcohol Reasonable Suspicion, Smith System Training, Driver Training, Truck Driver Responsibilities, OSHA, HAZMAT, Electronic Logs / Electronic Logging.

Doug Gipson - Crash Scene Analysis and Mapping - 3DAnimation - Expert WitnessDoug Gipson is an Accident Reconstructionist with over 14 years spent investigating, analyzing, and reconstructing vehicle collisions. As a former Law Enforcement Officer, he responded to thousands of crashes over the course of his career. This experience provides him with firsthand knowledge of what the aftermath of vehicle collisions looks like, and the evidence left behind following a collision.
Doug used the knowledge and experience gained over his career to assist in successful prosecutions of offenders in multiple levels of the court system. His expertise has allowed him to provide expert testimony and expert opinions in civil and criminal cases.
Expertise: Accident Reconstruction, Pedestrian and Bicycle Collision Investigation, Motorcycle Collision Investigation, Commercial/Heavy Vehicle Collision Reconstruction, Railway Crossing Collisions, Vehicle Examination, Accident Site Measurement, Speed Computations, Forensic Mapping, Scale Diagramming, and CDR / Black Box Downloads.
Doug Gipson Crash Scene Expert Witness Introduction Video

Tommy Tunson - Law Enforcement Standard of Care Expert Witness
Chief Tunson has 32 years in law enforcement including more than 10 years of experience as a police chief and has worked in every aspect of policing. Lt. Colonel Tunson is a retired Army officer with more than 33 years of military service. Professor Tommy W. Tunson has been a Criminal Justice instructor for the University of Phoenix, California Southern University, and Bakersfield College. He is a Professor of Criminal Justice at Bakersfield College and an Executive Consultant on Organizational Leadership, Bridging the Racial Divide and enhancing Police-Community Strategic Partnerships. Dr. Tunson holds a Doctor of Business Administration, Juris Doctor, Master's Public Administration, and Bachelor of Science degrees.
Expertise: Community Policing, Preventing Violence through Community Policing, Law Enforcement Policy and Procedure, Use of Force, Police Training, Increasing Department Productivity, Enhancing Community Trust, Criminal Justice and Public Safety Consulting, and Evidence based analysis and Testimony.
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