Gerald McDevitt provides forensic collision reconstruction, expert witness testimony, and courtroom analysis with more than 32 years of experience in state, federal, and military courts.
About
Gerald C. McDevitt is a nationally recognized forensic reconstruction and forensic mapping expert with more than 32 years of professional experience providing expert analysis, reporting, and testimony in state, federal, and U.S. military courts. He has been qualified and accepted as an expert witness in the disciplines of traffic collision reconstruction, forensic mapping, and emergency vehicle operations, and his work has consistently met Daubert and Frye admissibility standards.

To deliver precise, scientifically defensible forensic reconstruction and mapping services that withstand the highest levels of judicial scrutiny. Every analysis is grounded in validated scientific principles and documented with the most advanced technology available.

To be the reconstruction expert that attorneys, insurers, and military prosecutors trust when the stakes are highest — combining 32+ years of field experience with cutting-edge LiDAR, Emlid RS3 GNSS, and 3D forensic technology to set the standard for accuracy and reliability in this profession.

Fatal Collision Reconstructions

Serious Injury Investigations

Years of Experience

Years of Courtroom Testimony
Services
Reconstruction of auto, motorcycle, commercial, and pedestrian collisions.
Precise scene documentation using Recon3D LiDAR scanning, Emlid RS3 GNSS, and advanced surveying tools.
Gerald McDevitt performs EDR crash data analysis to determine pre-impact conditions and vehicle dynamics.
Qualified expert witness services for deposition and trial in state, federal, and military courts.
Gerald McDevitt develops forensic animations and crash simulations to support complex case presentation.
Technology
Gerald McDevitt utilizes advanced technology including Recon3D LiDAR scanning, Total Station surveying, Emlid RS3 GNSS mapping, Autel EVO II Pro RTK V3 drone, and crash data retrieval systems to support accurate and defensible reconstruction analysis.

Recon3D is an iOS-based LiDAR scanning application used for fast, high-precision 3D documentation of vehicles (interior and exterior), rooms, buildings, and limited-range scene elements. It provides detailed, court-ready 3D models using the LiDAR sensor built into Apple devices.

Gerald McDevitt utilizes the most up to date total station equipment available from the surveying industry. The reflector-less total stations (no prism used), allow Gerald McDevitt to complete scene surveys quickly and accurately.

The Autel EVO II Pro RTK V3 drone provides RTK-enabled aerial photogrammetry for scene mapping, orthomosaic generation, and 3D point cloud creation — producing forensic-grade aerial documentation suitable for courtroom presentation.
Case Experience
Gerald McDevitt has extensive experience across a wide range of collision and forensic investigation scenarios. His casework includes vehicular homicide, DUI-related collisions, automobile–pedestrian impacts, commercial vehicle incidents, motorcycles, bicycles, and specialized investigations involving marine craft and post-blast scenes.
Each case is analyzed using scientifically accepted methodologies and documented with precision to support litigation, expert testimony, and defensible findings.
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