Gregory W. Edgcombe

  • Greg Edgcombe is a retired police officer with over three decades of experience in law enforcement with the Grand Rapids Police Department in Michigan, and the Phoenix Police Department in Arizona. During his law enforcement career he served as a patrolman, burglary detective and senior traffic crash reconstructionist in the Traffic Unit. Greg has investigated over 1,400 “at-scene” traffic crashes. Greg has been qualified as an expert many times since 1999 in both criminal and civil litigation cases, giving various conclusive opinions as an accident reconstructionist.

  • Greg was a Police Motorcycle Officer for 14 years and a Police Motorcycle Instructor for 4 years. Greg was an Advanced Driving Instructor for Law Enforcement Personnel in the area of Emergency and Pursuit Driving, Vehicle Dynamics, Accident Avoidance, and Pursuit Policy Training. Greg has been on the Board of the Michigan Association of Traffic Accident Investigators since 2005. He has personally conducted over 40 live crash vehicle tests since 2009 to research and validate sound crash reconstruction principles.

  • Greg’s education includes crash reconstruction curriculum from Michigan State University‘s HTSP College of Engineering and North Florida University’s Institute of Police Technology and Management (IPTM) in the following areas:

    • Advanced at scene investigations

    • Identification and documentation of roadway evidence

    • Crash Scene photography

    • Identification and documentation of vehicle exterior evidence

    • Identification and documentation of vehicle interior evidence

    • Vehicle lamp analysis

    • Vehicle tire analysis

    • Reconstruction Formulae

    • Advanced Motorcycle Crash Investigations

    • Pedestrian Crash Investigations

    • Advanced Crash Reconstruction: Vector Sum Analysis, Conservation of Momentum, Conservation of Energy, Law of Sines and Cosines, mass ratio considerations

    • Occupant Kinematic Applications in Crash Reconstruction

    • Human Factors in Crash Reconstruction

    • Crush Damage Measurements

    • Energy Applications in Crash Reconstruction

    • Event Data Recorder (EDR) Technician

    • Advanced Event Data Recorder (EDR) Analyst

    • Commercial Vehicle Crash Investigations

    • Level One Commercial Vehicle Inspections

    • School Bus Crash Reconstruction

    • Total Station Crash Scene Mapping

    • Time and Distance analysis

    • Vericom 2000 and 4000 Operator

    • ARAS 360 & Visual Statements CAD