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Experienced Forensic Consulting You Can Trust
Thomas Lepper Associates brings unparalleled expertise to the courtroom, offering expert witness and testimony services that can make or break your case. With over three decades of experience, we've become the trusted name in automotive forensics and analysis. We understand that every case is unique, which is why we offer complimentary consultations to discuss any questions you might have. There's no obligation – we're here to support you without requiring a commitment. The expert's accessibility is available during business hours, ensuring you have the expert backing you need when you need it most.
We understand that every case is unique, which is why we offer open consultations to discuss any questions you might have. There's no obligation – we're here to support you without requiring a commitment. Our accessibility means you can reach out anytime, ensuring you have the expert backing you need when you need it most. Whether you're dealing with a Song-Beverly Act vehicle inspection or investigating a racetrack incident, we have the expertise to provide crucial insights and testimony. Call us today to learn more!
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Why Choose Thomas Lepper Associates
Access Anytime
Family-Owned
Support Without Commitment
Open Consultation on Any Questions
Over 30 Years of Consulting Experience
Professional Affiliations and Licenses

Specialties
We've honed our expertise across a vast array of automotive specialties. Our team excels in analyzing tire separations and failures, determining fire cause and origin, and assessing ignition lock cylinder integrity. We're also adept at handling issues related to transponders and engine immobilizers, providing crucial insights into complex vehicle security systems.
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Careers
We're always on the lookout for talented individuals to join our tea. If you're passionate about automotive forensics and have expertise in areas like steering and suspension systems, automatic and manual transmissions, or impact damage analysis, we'd love to hear from you. A career with us means being at the forefront of automotive expert witness services.
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Frequently Asked Questions
Selecting the right forensic consulting partner can feel overwhelming, especially when your case hinges on understanding highly technical automotive details. Many clients come to Thomas Lepper Associates with important questions about how investigations are handled, what the process looks like behind the scenes, and how mechanical findings ultimately support legal strategy. Whether you're preparing for litigation, evaluating a potential claim, or simply looking for guidance, these answers are designed to help you feel informed and supported from the very beginning.
What should I expect during a vehicle or component inspection?
Inspections are thorough, structured, and guided by proven forensic techniques. A mechanical failure consultant in CA will examine relevant systems, verify mechanical integrity, document wear or damage, and note any unusual findings. Clients are often surprised by how methodical the process is. Each detail is photographed, measured, or recorded to ensure the final assessment is both accurate and defensible. You will also receive updates throughout the inspection so you understand what is being examined and why certain components may require special attention.
How are technical findings translated into information I can use for my case?
Once the inspection and analysis are complete, the findings are explained in clear, accessible language. A mechanical failure consultant in CA focuses on breaking down technical concepts into understandable explanations, making it easier for attorneys, insurers, and clients to apply the information directly to their case strategy. Whether the mechanical issue supports your claim, contradicts it, or helps refine your argument, the explanation will be structured so you can confidently use the information in negotiations or testimony.
What role does a forensic consultant play in pre-litigation discussions?
Before a case moves toward formal litigation, attorneys often need guidance to determine whether pursuing the matter is worthwhile. A mechanical failure consultant in CA provides early evaluations that can clarify whether a mechanical defect or performance issue may have meaningfully influenced the situation. This input helps clients assess potential outcomes, saving valuable time and resources.
Can you help me understand whether additional testing or analysis is necessary?
Yes. Additional testing is recommended only when it adds meaningful insight. A mechanical failure consultant in CA evaluates whether further examination of components, system behavior, or environmental factors will strengthen the case. This ensures that clients invest only in the testing that will truly support their goals—never more than what is needed.
How do you handle highly technical disputes between multiple parties?
In cases with several involved parties, technical disagreements can become complicated. A mechanical failure consultant in CA compares each party's claims against the physical evidence, identifying which interpretations are grounded in mechanical reality. This process helps clarify disagreements and often leads to more productive discussions, whether in mediation or litigation.
What level of detail should I provide before scheduling a consultation?
Only general information is needed at the start. A mechanical failure consultant in CA can guide you through what details may become relevant later in the process. The initial conversation is not about having every document ready; it's simply about understanding the nature of your concern and determining whether the firm's expertise aligns with your needs.
How do you keep clients updated throughout the investigation process?
The firm prioritizes consistent communication. As the investigation progresses, a mechanical failure consultant in CA provides updates, explains new discoveries, and discusses how each piece of information could shape the overall direction of the case. You will never be left wondering about the status of your investigation.
What happens if new information becomes available mid-case?
If new evidence—such as photos, reports, or access to the vehicle—becomes available, it is incorporated into the ongoing analysis. A mechanical failure consultant in CA reassesses earlier conclusions when necessary to ensure accuracy. This adaptability ensures the final findings reflect the most comprehensive view of the situation.
