Uncovering the Truth Through Forensic Analysis: A Case of Mistaken Vehicle Identity


Uncovering the Truth Through Forensic Analysis: A Case of Mistaken Vehicle Identity

When a pedestrian was struck while crossing a roadway at night by a fleeing black sedan, a bystander’s quick photograph of a license plate appeared to identify the responsible vehicle.  However, appearances can be deceiving. Counsel for the vehicle’s owner—wrongly accused of being the striking driver—retained DJS Associates, Inc., to conduct a comprehensive forensic evaluation.

Surveillance footage of the incident revealed two black sedans traveling through the area within seconds of one another.  The first vehicle passed the location approximately five seconds before impact, moving at the posted 25 mph speed limit.  The second vehicle, the true striking car, was observed traveling at roughly twice that speed.  While the bystander’s photograph captured the license plate of the first sedan, it was clear from a detailed timing and motion analysis that this vehicle had already exited the frame before the pedestrian was struck.

To further confirm this finding, GPS data from the client’s vehicle was analyzed and showed that it, too, was traveling at 25 mph through the area at the time—matching the first, non-striking sedan.  A thorough inspection revealed no physical damage consistent with a pedestrian impact.

Through a combination of video analysis, GPS data interpretation, and physical inspection, DJS Associates, Inc. provided clear, objective evidence demonstrating that the alleged vehicle was not involved in the collision.  This case underscores how scientific investigation and precise data interpretation can bring clarity to complex incidents—and exonerate the innocent.

Robert T. Lynch, P.E.

Principal Collision Reconstruction Engineer

View all articles by Robert T. Lynch, P.E.
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