Dr. Sarah Kerrigan
forensic toxicology expert
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Forensic Toxicologist, Consultant
Expert Witness

DWI, DUI, Human Performance Toxicology, Postmortem Forensic Toxicology, Death Investigation, Drug-Facilitated Sexual Assault

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Dr. Sarah Kerrigan is a forensic toxicologist in Houston, TX. She received her initial training in forensic toxicology twenty-three years ago at the Scotland Yard Forensic Science Laboratory in London, England. Over a period of fifteen years Dr. Kerrigan has served as a forensic  scientist, quality assurance manager, regional and state laboratory director in ASCLD/LAB, ABFT and ISO/IEC 17025 accredited forensic laboratories in the United States.

Dr. Kerrigan provides consulting services and expert witness testimony in a wide array of human performance and postmortem forensic toxicology investigations including DWI/DUI, drug-facilitated sexual assault and medico-legal death investigations. She provides consultation and testimonial support to attorneys in criminal and civil matters. 


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