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Dynamic Safety L.L.C.

William Redfairn

Las Vegas
Office Phone: 702.281.9744
Office Fax: 847.550.8529
Email: info@dynamicsafetyllc.com
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Practice Areas

  • Accident Reconstruction
  • Event Data Recorder Analysis
  • Rapid Response Services
  • Trucking Reconstruction
Bill came to Dynamic Safety L.L.C., after a 26 year law enforcement career in Nevada and Hawaii. Bill’s last 18 years with the Las Vegas Metropolitan Police Department were devoted entirely to the investigation of vehicle collisions. His last 14 years were with LVMPD’s Accident Investigation section where he was responsible for the investigation of serious injury and fatal traffic collisions. Bill has been recognized as an expert in the fields of accident reconstruction and impaired driving numerous times in Nevada courts. He has extensive experience in teaching law enforcement, judges, lawyers, and the general public in the science of vehicle collision investigation and reconstruction. He has extensive on-scene experience in the identification, collection, and interpretation of physical evidence. Bill has authored lesson plans and articles in the areas of crash investigation and impaired driving.



  • •Certified CDR (Crash Data Retrieval) System Operator – Collision Safety Institute and Crash Data Specialist
  • •Basic Certificate – Nevada Police Officer Standards and Training (NV POST)
  • •Certified Law Enforcement Instructor, Intermediate Instructor and Master Instructor -Nevada Police Officer Standards and Training (NV POST)
  • •Certified Drug Recognition Expert (DRE) – State of Nevada
  • •Certified DRE and SFST Instructor – State of Nevada and NHTSA
  • •Certified Radar Instructor – State of Nevada
  • •CAD Zone Basic and Intermediate Instructor

Personal/Civil Memberships

  • •Society of Automotive Engineers (SAE) – 2010 to present
  • •National Association of Professional Accident Reconstruction Specialist (NAPARS) – 1998 to present
  • •Southwestern Association of Technical Accident Investigators (SATAI) – 1999 to present
  • •Nevada Division of the International Association for Identification – 2003 to 2006
  • •Accident Reconstruction Network (ARC) – 2006 to present
  • •International Network of Crash Reconstruction (INCR) – 2011 to present
  • •CDR User’s Group – 2012 to present


  • •Immediate response
  • •Accident Investigation
  • •Accident Reconstruction
  • •EDR (Black Box) Examination
  • •3D Laser Scanning
  • •Forensic Media
  • •Transportation Engineering
  • •Vehicle System Analysis
  • •Vehicle-Evidence Storage
  • •Training
  • •Machinery
  • •Heavy Equipment
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