John Brookshire
John Brookshire is an ACTAR-accredited crash reconstruction expert and the owner/senior reconstructionist of Detailed Reconstruction Experts, LLC. He began his public safety career working for a metro Atlanta Sheriff’s Office in 2002 and currently serves as the Traffic Enforcement Unit Commander, supervising deputies who specialize in traffic enforcement and serious/fatal crash investigations. His responsibilities include oversight of major crash investigations, including fatal and serious injury collisions.
Over the course of his career, John has investigated, assisted with, or supervised more than 200 fatal crashes and more than 400 serious injury crashes. His technical training includes crash data retrieval and analysis, momentum analysis, time/distance analysis, motorcycle crash investigation, heavy vehicle event data recorder analysis, and advanced traffic crash reconstruction. He is certified by the State of Georgia as a Traffic Accident Reconstruction Specialist and is accredited by ACTAR.
John also brings substantial expertise in impaired driving investigation. He is a certified Drug Recognition Expert Instructor through the International Association of Chiefs of Police and a Standardized Field Sobriety Testing Instructor. He has trained law enforcement officers and prosecutors throughout Georgia as an adjunct instructor for the Georgia Prosecuting Attorney’s Council and has presented on crash reconstruction from the Drug Recognition Expert perspective at statewide and national traffic safety events.
In addition to his investigative and training background, John has been qualified as an expert witness in crash reconstruction, standardized field sobriety testing, horizontal gaze nystagmus, drug recognition, alcohol metabolism, and related impairment topics. Through Detailed Reconstruction Experts, LLC, he provides attorneys and insurers with consulting, analysis, complete reconstruction services, and expert witness support grounded in more than two decades of law enforcement, investigative, and courtroom experience.


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Meet our Accident Reconstrictionist:
Jason Lupo
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Jason Lupo is a Georgia Traffic Accident Reconstruction Specialist and Senior Reconstructionist with Detailed Reconstruction Experts, LLC. Since beginning his law enforcement career with a metro Atlanta Sheriff's Office in 2011, he has developed a passion for traffic crash investigation and forensic accident reconstruction.
Jason currently serves as the assistant commander of his agency's Traffic Enforcement Unit, where he leads a team of deputies responsible for traffic enforcement and the investigation of serious injury and fatal collisions. Throughout his career, he has investigated numerous complex crashes that have contributed to successful criminal prosecutions and has reviewed or assisted with hundreds of additional serious injury and fatality investigations.
His technical expertise includes momentum analysis, forensic scene mapping, time-distance analysis, crash data retrieval and analysis, vehicle dynamics, and a wide range of other accident reconstruction methodologies. He is also a licensed FAA Part 107 Remote Pilot, utilizing unmanned aircraft systems (UAS) to document and analyze crash scenes with precision and efficiency.
In addition to his investigative work, Jason has had the opportunity to instruct fellow law enforcement professionals and present accident reconstruction topics for the Prosecuting Attorneys' Council of Georgia. He enjoys sharing practical knowledge gained through years of real-world investigations while continuing to learn and advance within the field.
When he's away from work, Jason enjoys traveling, spending time outdoors, and pursuing new adventures with family and friends.



