Accident Reconstruction and Crash Data Retrieval Expert Witness
Crash Data Services, LLC provides a wide variety of accident reconstruction services. Our experts perform all types of forensic investigations, including at-scene survey mapping and vehicle inspections. Our experts employ advanced techniques, such as total station surveying and photogrammetric modeling, in memorializing accident scenes and vehicles. Our experts also utilize crash data retrieval (vehicle black box technology) to determine the events of a collision. In addition to investigative services, our experts also offer written opinions, as well as expert witness testimony. Our written opinions can be supplemented with scale diagrams and 3D animated video illustrations.
Litigation Support Services
Crash Data Services, LLC provides traffic accident reconstruction including crash data retrieval, at-scene collision investigation and expert witness services. Our experts concentrate on civil crash reconstruction projects, as well as vehicular insurance fraud identification. We accept Plaintiff, Insurance Defense or Insurance Fraud cases.
In addition to our expert witness services, our experts can produce a wide variety of courtroom illustrations, including large panoramic photographs, scale diagrams, scale 3D illustrations and 3D animated videos.
Areas of Expertise
Our lead expert, Shawn Gyorke, is a Certified Accident Reconstructionist with education, training and experience in the investigation, reconstruction, and analysis of personal injury and fatal traffic crashes. Shawn has investigated hundreds of collisions involving pedestrians, commercial vehicles, motorcycles, bicycles, cars, trucks and SUVs.
Shawn currently concentrates on civil crash reconstruction projects, as well as vehicular insurance fraud identification. Shawn welcomes plaintiff, insurance defense, and criminal defense cases.
Effective accident reconstruction techniques help Shawn determine if the actions of drivers, failures of equipment, or environmental factors played a role in a collision. Shawn's mix of practical experience and rigorous training make him an outstanding expert witness in the field of accident reconstruction. He is a graduate of Northwestern University's Center for Public Safety and is certified as an Accident Reconstructionist by the state of Illinois as well as the Accreditation for Traffic Accident Reconstruction (ACTAR). Shawn is a member of numerous professional associations, maintains continuing education, and is a licensed investigator.
With 18 years of practical accident reconstruction experience as a law enforcement professional, he has testified in both criminal and civil proceedings and, while Shawn's practice extends throughout the United States, he has extensive experience with Illinois Traffic Law. Shawn prides himself on developing informative conclusions based on peer reviewed methodologies and his experience as an investigator.
In 2007, and again in 2009, Shawn obtained his certification as both a Crash Data Retrieval Technician and Analyst with the Bosch Diagnostics approved course taught by the Collision Safety Institute. Since that time, Shawn has been a guest speaker on crash data retrieval (vehicle black box technology) for attorneys and insurance fraud investigators. In 2011, Shawn became a licensed trainer and mentor of crash data retrieval technicians through the Collision Safety Institute.
About Crash Data Services, LLC - Expert Witness
Accident Reconstruction Litigation Support
Automotive Insurance Fraud Investigation Expert Witness
Crash Data Retrieval Litigation Support
3D Accident Reconstruction Animation Expert Witness
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Shawn Gyorke has 18 years law enforcement experience with specialization in traffic accident reconstruction. Shawn has been retained as an expert reconstructionist in over 100 different cases, and accepted as an expert in several different court venues.
Many of Shawn's retentions revolve around Crash Data Retrieval (vehicle black box technology), as well as collision animations.
Certified State of Illinois Crash Reconstruction Specialist (2002)
Certified Reconstructionist by the Accreditation Commission for Traffic Accident Reconstruction - ACTAR #1514 (2005)
Certified Bosch Crash Data Retrieval Technician & Analyst (2007, 2009)
State of Illinois Licensed Investigator – License No. 115.002163 (2010)
Certified L.I.D.A.R. Operator (2010)
Certified Breath Alcohol Operator (2010)
Certified Bosch Crash Data Retrieval Technician Level 1 & Level 2 Trainer (2011)
Illinois Association of Technical Accident Investigators (IATAI)
Midwest Association of Technical Accident Investigators (MATAI)
National Association of Professional Accident Reconstruction Specialists (NAPARS)
Traffic Accident Reconstruction Origin (TARO)
International Association of Special Investigation Units – Illinois Chapter (IASIU)
National Society of Professional Insurance Investigators – Illinois Chapter (NSPII)
Accident Reconstruction Network (ARC)
Society of Accident Reconstructionists (SOAR)
International Association of Auto Theft Investigators (IAATI)
At-scene and Technical Accident Investigation (2000)
Vehicle Dynamics (2001)
Basic / Advanced Accident Reconstruction (2002)
Introduction to Crash Data Retrieval (2003)
Vericom Accelerometer Certification (2003)
Traffic Crash Reconstruction Update (2005)
Highway-Rail Grade Crossing Collision Investigation (2007)
Crash Data Retrieval Technician (2007 / 2009)
Crash Data Retrieval Analyst (2007 / 2009)
Arson: Basic Crime Scene Investigation (2008)
40 Hour Basic Evidence Technician (2008)
Crush Energy Analysis (2008)
Methodology and Techniques for Crash Data Retrieval (2009)
Pedestrian and Bicyclist Accident Investigation (2009)
Advanced Vericom Accelerometer Applications (2009)
Close Range Photogrammetry for Accident Reconstruction (2010)
Heavy Truck ECM Use in Accident Reconstruction (2010)
3D Animation for Traffic Accident Reconstruction (2010)
Crash Data Retrieval Train the Trainer Certification (2011)
Advanced Human Factors in Traffic Accident Reconstruction (2011)
Crash Data Retrieval Analyst (2011)
Traffic Accident Reconstruction 3 (2012)
Driver Distraction from Electronic Devices (2013)
H.V.E. Forum (2014)
Forensic Mapping and Diagramming (2014)
Microsoft Excel for Traffic Crash Reconstruction (2015)
FARO Reality for Crash Reconstruction (2015)
Traffic Crash Analysis Using Virtual Crash Simulation Software (2017)
Seminars & Training
Vehicle Black Box Technology for the Criminal and Civil Attorney (Attorney Based Training)
Certified Crash Data Retrieval Technician (Reconstructionist Based Training)
Crash Data Retrieval for Special Investigation Units (Insurance Based Training)
“Deciphering the NHTSA Event Data Recorder Ruling” - National Society of Professional Insurance Investigators (NSPII) – National Newsletter, Fall 2008.
“Ten Common Questions About Event Data Recorders” - National Society of Professional Insurance Investigators (NSPII) – National Newsletter, Fall 2008.
“The Frye Standard: Determining the Admissibility of Event Data Recorders for Traffic Accident Reconstruction in Illinois” - National Society of Professional Insurance Investigators (NSPII) – National Newsletter, Spring 2009
“Hyundai and Kia Crash Data: A Preliminary Review” Collision Magazine - Volume 8 Issue 1, 2013.
“Hyundai and Kia Crash Data: The Indispensable Compendium” Collision Magazine - Volume 8 Issue 2, 2013.
Shawn is a graduate of Northwestern University's Center for Public Safety Accident Reconstruction Program.
Articles Published by Crash Data Services, LLC
Event Data Recorders: Proper Evidence Collection in Criminal, Insurance and Tort Liability Investigations
The use of Event Data Recorders (EDRs), also referred to as vehicle black boxes, in traffic accident reconstruction and vehicular fraud investigations has become increasingly common over the last few years. However, many law enforcement officers, insurance professionals and experts witnesses have failed to adopt a standardized set of practices toward preserving this crucial evidence. This article address the potential pitfalls of following sub-standard evidentiary practices.Read Article
Determining the Admissibility of Event Data Recorders for Traffic Accident Reconstruction in Illinois
The admissibility of information obtained from vehicle event data recorders (black boxes) has been challenged in many states. This article is intended to explain how EDR data was challenged in Illinois and ultimately accepted.Read Article
Deciphering the NHTSA Vehicle Black Box Ruling
Event Data Recorders (vehicle black boxes) have been installed in most motor vehicles for years, but it was not until recently that NHTSA decided to standardize the technology. This article is intended to explain the NHTSA Event Data Recorder Ruling.Read Article
Top Ten Legal Questions about Vehicle Black Boxes
Litigation involving Event Data Recorders (vehicle black boxes) is becoming increasingly more common. This article is intended to answer basic legal questions about the capabilities of event data recorders.Read Article