River City Vehicle Forensics
Automotive expert witness & vehicle forensics · Jacksonville & Northeast Florida

What the vehicle says happened

Automotive expert witness services for plaintiff and defense counsel across Jacksonville and Northeast Florida: collision reconstruction, mechanical failure analysis and vehicle data review, backed by more than ten years of hands-on diagnostic and repair work.

Book a case review See services
Pre-crash data, 5.0 s to impactExample only
503010 -5.0-2.50 brake on 46 mph21 mph
Event data recorders store seconds of speed, throttle and brake data before a crash. Reading that record correctly often decides fault.

Services

Professional analysis and expert opinion your case can rely on, from first call through testimony.

Crashes

Collision reconstruction

Speeds, sequence and avoidability from scene evidence, vehicle damage, photos, video and event data recorder downloads.

Failures

Mechanical failure analysis

Brakes, steering, tires, suspension and powertrain: whether a part failed, why, and whether maintenance or a defect caused it.

Repairs

Repair and diagnostic review

Whether a shop's diagnosis and repair met accepted practice, for disputes over faulty, unnecessary or incomplete work.

Data

Vehicle data review

EDR, telematics and scan-tool data interpreted and explained in plain terms, with what the data can and cannot show.

Inspection

Vehicle inspections

Documented, non-destructive inspections with photo logs, as the basis for an analysis both sides can rely on.

Court

Reports and testimony

Written opinions, deposition and trial testimony, plus help framing technical questions for depositions of opposing experts.

Case types

Typical matters where vehicle evidence carries the case.

  • Auto and truck collisions
  • Motorcycle crashes
  • Rear-end and intersection disputes
  • Product liability and component defects
  • Lemon law and warranty disputes
  • Repair shop negligence
  • Insurance coverage disputes
  • Fleet and commercial vehicle claims
  • Total-loss and diminished value

How an engagement works

A clear path from your first call to a usable opinion.

  1. Case reviewA short call to hear the facts and run a conflict check before any work starts.
  2. RetainerA written engagement letter with scope, hourly rate and a retainer that sets the budget.
  3. Inspect and analyzeInspect the vehicles, review the data, and test each theory against the physical evidence.
  4. OpinionA report written for the court, then deposition and trial testimony as needed.

About

Over ten years working on vehicles: diagnosing them, repairing them and working out what happened to them. That shop-floor knowledge is what lets an opinion hold up under cross-examination.

I'm Arsen Naumenko, an expert in the automotive field offering expert witness services. I'm master certified on Audi, BMW and Mazda vehicles, and certified on electric and hybrid systems for VinFast, BMW, Mazda and Audi. For years I've worked with insurance companies to work out why parts failed and what happened in crashes. River City Vehicle Forensics is a new practice that brings that work to attorneys in Jacksonville and St. Johns County.

  • Experience10+ years in automotive diagnostics, repair and accident reconstruction, including failure and crash-event work for insurers
  • CertificationsMaster certified: Audi, BMW, Mazda. EV and hybrid certified: VinFast, BMW, Mazda, Audi
  • Service areaDuval and St. Johns counties
  • RatesReview, analysis and inspection $200/hr · Deposition $250/hr, 2-hour minimum · Trial $300/hr, 4-hour minimum
  • Terms$1,000 retainer credited to the final bill · Travel $75/hr plus mileage · Testimony cancelled on less than 72 hours' notice is billed at the minimum

Book a case review

Pick a time for a free 20-minute call. Counsel answers a few questions when booking, so the conflict check is done before we speak.

Questions counsel answers when booking
  1. Firm, attorney name and contact details
  2. Representing plaintiff or defense
  3. All parties and their insurers (for the conflict check)
  4. Case type and date of loss
  5. Where the vehicles are now
  6. Key deadlines: disclosure, deposition, trial
Call to schedule