Dr. Sarah Kerrigan is a forensic toxicologist in Houston, TX with more than twenty-five years of experience. She has worked as a bench-level forensic toxicologist, quality assurance manager, and laboratory director in ABFT and ISO/IEC 17025 accredited forensic laboratories in the United States.

Dr. Kerrigan provides consultation and testimonial support to attorneys in both civil and criminal matters.  These include a wide array of human performance and postmortem forensic toxicology investigations, including DWI/DUI, drug-facilitated sexual assault, medicolegal death investigations, medical malpractice and dram shop cases.