Stephen Cash
Principal Consultant
Forensic Collision Investigation & Reconstruction Ltd
Stephen is Principal Consultant at FCIR. His work, and accompanying research and development in the field of Collision Investigation have led to him obtaining Incorporated Engineer (IEng) status from the Engineering Council, and attaining Membership of the Institution of Mechanical Engineers (MIMechE). He is also a Member of the Institute of the Motor Industry (MIMI) with whom he is registered as an Advanced Automotive Engineer (AAE), and a Member of the Institute of Traffic Accident Investigators (MITAI).
Stephen entered into the field of collision investigation as a Police Forensic Collision Investigator from an engineering background. However, during the final 3 years of his police career Stephen also practiced outside of the police on a consultancy basis. Consequently, whilst a serving police officer, he would routinely be instructed in cases of civil litigation and criminal defence and give live evidence at trial.
In his opinion this was a period that crystallised his independence in any investigation. This independence, combined with the clarity and thoroughness of his investigations, typically results in his evidence being effortlessly resilient to the rigours of the judicial process.
Stephen has an enquiring mind which reflects on his approach to his work. As an engineer he is all but too aware of the detrimental effect that changes in vehicle design are having on methods routinely employed by collision investigators in the reconstruction of collisions, and it is this underlying ethic that motivates him in his approach to his research in the field.
He has produced the following peer reviewed publications:
- Video Analysis in Collision Reconstruction - ISBN 978-1788089302
- Calculating Vehicle Speed from Yaw Mark Analysis – Proceedings of ITAI Conference 2014/EVU Conference 2015
- Use of the CCTV Frame Interval Timer (Lightboard) - Proceedings of ITAI Conference 2017
- Positioning Techniques for CCTV Analysis - Proceedings of ITAI Conference 2017
- The Effects of Road Surface Technology on Vehicle Deceleration Calculations - Proceedings of ITAI Conference 2017
- Collision Investigation: CCTV playback and validation using a lightboard - ‘Impact’ Winter 2017
- Available nowObtaining best evidence in collision reconstruction: picking your expertObtaining best evidence in collision reconstruction|Personal Injury and Clinical NegligenceAn explanation as to the differences between road traffic collision reconstruction experts and some tips on how to ensure you choose the most suitable for ...
- Available nowObtaining best evidence in collision reconstruction: analysis of physical evidenceObtaining best evidence in collision reconstruction|Personal Injury and Clinical NegligenceA broad discussion of the how an analyst will look at the physical evidence, from scratch marks to lightbulbs, to piece together the science of ...
- Available nowObtaining best evidence in collision reconstruction: 3D scanning and modellingObtaining best evidence in collision reconstruction|Personal Injury and Clinical NegligenceModern day surveying techniques involve taking several million laser scanning measurements from a collision locus. This allows an analyst to reconstruct a collision in new ...
- Available nowObtaining best evidence in collision reconstruction: locus visits and testingObtaining best evidence in collision reconstruction|Personal Injury and Clinical NegligenceOften seen as an additional consideration rather than an essential part of an investigation, the webinar discusses the importance of an investigator visiting the locus ...
- Available nowObtaining best evidence in collision reconstruction: collision data recordersObtaining best evidence in collision reconstruction|Personal Injury and Clinical NegligenceModern day vehicles retain more and more information. There are a number of computer units within a vehicle (either as part of a vehicle function ...
- Available nowObtaining best evidence in collision reconstruction: video analysisObtaining best evidence in collision reconstruction|Personal Injury and Clinical NegligenceWith CCTV systems and dash cameras becoming more and more commonplace, video evidence factors in an ever-increasing number of collisions to one degree or another. ...
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