When vehicles are involved in a crash, the scene can hold key evidence about what happened. This is especially important where there is serious damage, injury or disagreement about fault.
The Role of a Forensic Collision Investigator
A forensic collision investigator examines road traffic collisions using physical evidence, technical knowledge and witness accounts. Their aim is to explain how the collision took place.
Examining the Evidence
The investigation often begins with a careful inspection of the location. Photographs are taken before the road is cleaned, reopened or altered, giving investigators a record of the scene.
They may gather broken parts, road marks, impact points and damaged objects. Statements may also be taken from drivers, passengers and witnesses.
Where appropriate, DNA or other forensic evidence may be used to help confirm who was inside a vehicle at the time of the collision.
Building a Collision Reconstruction
Using the evidence collected, the investigator can produce a collision reconstruction. This may involve specialist software to test whether the evidence supports the accounts given by drivers and witnesses.
If an account does not match the marks, damage or final vehicle positions, the reconstruction can help show why that version of events may not be accurate.
How the Findings Can Be Used
A forensic collision report can help with insurance claims by setting out the likely cause of the collision. It can also support court action where there is a disagreement about responsibility.
These investigations can also reveal road conditions or external factors, such as poor lighting, faded road markings or unsafe road layouts. Identifying these problems can help improve safety for other road users.
Summary
Forensic collision investigators help explain how and why a road traffic collision happened. Their work can be useful for claims, legal evidence and improving road safety.
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