The principal mission of the Division of Forensic Sciences, commonly referred to as the “crime lab,” is to provide quality and timely scientific analyses of physical evidence to law enforcement agencies operating in Westchester County. The laboratory also provides expert scientific testimony to the various courts in our jurisdictional area. The various units that comprise this division examine evidentiary materials such as blood, tissue, drugs, footwear impressions, fibers, hairs, glass, etc.
Forensic Sciences strives to provide our county with the most advanced analysis of physical evidence in a cost-effective way, thus contributing to the increased safety of all the residents of Westchester County. Toxicology is the study of harmful effects of chemicals on biological systems. It is a branch of pharmacology that incorporates many areas of knowledge, including pharmacology, analytical and organic chemistry, physiology and pathology. The Division of Toxicology laboratory personnel also provide human performance testing consultations and testimony for breath-alcohol testing conducted in the county by law enforcement agencies. On occasion, toxicological investigations are conducted for county health facilities.
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Departments 
Forensic and Toxicology
