MEA Forensic Engineers & Scientists  

Laguna Hills,  CA 
United States
  • Booth: 339

MEA Forensic Engineers & Scientists is a multi-disciplinary forensic investigations firm. We investigate transportation crashes, injuries, product failures and property losses across North America. We provide our clients with solid, science-based answers and, as skilled communicators, we testify as expert witnesses in court.  


  • Collision Reconstruction
    We investigate accidents involving a wide variety of vehicles. Using science, our professionals shine a light on accident circumstances, factors that cause crashes and how differences in driver behavior could have prevented them....

  • Our crash investigations start with detailed documentation of the evidence. This can mean pouring over photographs of an old accident, using 3D scanners to measure crash sites and damage to vehicles, or downloading crash data from cars, heavy trucks, buses, and personal devices.

    Once the evidence is collected, it is interpreted and analyzed using scientific methods. Sometimes simple hand calculations will suffice. Sometimes using computer simulation software to match tire marks on the road is the best way to determine how an accident unfolded. Often, we rely on our own peer-reviewed research or use our testing facilities to run full-scale crash tests or reproduce component failures to answer even the toughest forensic questions.

    Ultimately, MEA engineers and scientists are prepared to testify in court as expert witnesses. Their goal is to help the trier of fact understand what the evidence says about how a particular event unfolded. Good communication skills, concise writing, high-quality graphics and powerful animations ensure that our conclusions are understood.

    Engineers and scientists in the Collision Reconstruction group often collaborate with colleagues in MEA’s other practice groups to understand issues such as nighttime visibility (human factors), seatbelt effectiveness (injury biomechanics) and the causal role of a component fracture (failure analysis).

    Our professionals have the knowledge and experience to translate physical and electronic evidence into the information clients need to understand the events at the heart of their case. Let our individual experts or multidisciplinary teams bring the right combination of knowledge, skill and experience to your case.

    Types of Collisions:

    • Automobiles
    • Bicycles
    • Heavy trucks and buses
    • Motorcycles
    • Pedestrian impacts
    • Trailer stability
    • Trains
    • Watercraft
    • All-terrain vehicles
    • Snowmobiles


    • Collision severity
    • Impact location
    • Speed and dynamics
    • Sequence of events
    • Seat belt use
    • Crash and event data recorders
    • Computer simulations
    • Rollovers and roof crush
    • Driver identification
    • GPS systems
    • Headlamp function
    • Airbag performance
    • Tire and wheel separations
    • Mechanical failure
  • Injury Biomechanics
    MEA’s Injury Biomechanics group combines specialized knowledge of injury, anatomy and human performance with fundamental engineering mechanics to determine how injuries are caused and prevented....

  • In order to assess injury causation, we compare the forces applied to the body during an event to the forces required to generate a diagnosed injury. We incorporate modifying factors like age, gender, medical history and occupation to quantify a specific individual’s exposure and tolerance. Our goal is to provide clients with solid, science-based answers that stand up in court.

    Our engineers have advanced degrees in injury biomechanics and have conducted laboratory tests on biological tissues. This combination of education and hands-on experience allows them to better understand and apply the scientific literature to the real-life events and injuries in our clients’ cases.

    MEA’s Injury Biomechanics group conducts research related to topics that range from head to toe: from studying brain injury, concussion and helmets, to measuring shoe/floor friction during slip and falls. We publish our research in peer-reviewed biomechanical, clinical and safety journals to ensure our work is properly vetted and widely distributed to the relevant scientific communities. Our research puts us at the leading edge of knowledge on a wide range of injury and safety-related topic, and has generated experimental capabilities that can be used to answer specific case-related questions.

    Motor Vehicle Crashes

    • Injury causation
    • Seatbelt effectiveness
    • Exposure/risk comparisons
    • Helmet effectiveness
    • Occupant kinematics
    • Driver identification
    • Pedestrian impacts
    • Crash survivability

    Sport, Recreation & Playgrounds

    • Bicycle and diving accidents
    • Sports and safety equipment
    • Product failure
    • Amusement park incidents
    • Exercise equipment
    • Playground structures and surfaces

    Slip, Trip & Fall

    • Injury mechanics
    • Stairs, ramps and handrails
    • Code compliance
    • Property standards
    • Obstacle avoidance

    Human Movement & Interaction

    • Assaults
    • Firearms and shootings
    • Strength and reaction time
    • Ergonomics
    • Visibility and conspicuity
    • Fatigue and distraction

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