Forensic Toxicology Consultation and Expert Witness Services
Understanding toxicology test results can feel like navigating a maze. We independently review drug and alcohol evidence in criminal and civil matters, helping you understand the laboratory findings, the limitations of testing, and the significance of the results for your case.
Marc A. LeBeau, PhD, F-ABFT
Who is Marc LeBeau?
Dr. Marc LeBeau retired in 2024 after 30 years of service with the FBI Laboratory. A renowned, board-certified toxicology expert, he provides consultation and expert witness services in criminal and civil matters.
His areas of specialization include drug- and alcohol-related offenses, toxic exposures, postmortem toxicology, laboratory accreditation, and professional standards. He also advises forensic toxicologists and laboratories on achieving operational excellence.
What Sets Dr. LeBeau Apart as a Forensic Toxicologist
Over 35 years of experience analyzing biological fluids and tissue samples collected from the human body for alcohol, drugs, poisons, chemicals, and other substances, and interpreting forensic toxicology test results.
- Certified as a Fellow of the American Board of Forensic Toxicologists
- Qualified as an expert witness in federal and state courts throughout North America
- Engaging speaker who makes technical subjects easy to understand
- Advocate for standards of practice that advance forensic toxicology
- Held leadership roles in numerous national and international professional organizations
Forensic Toxicology Services Offered
Contact LeBeau forensic toxicology consulting
Understand your toxicology findings
