3800notes - OVERVIEW OF FORENSIC CHEMISTRY Background...

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Background Background Definition of Forensic Chemistry Definition of Forensic Chemistry Forensic and legal Concepts Forensic and legal Concepts Physical Evidence Physical Evidence Flow of Forensic Analysis Flow of Forensic Analysis Mind-Set of a Forensic Scientist Mind-Set of a Forensic Scientist OVERVIEW OF FORENSIC CHEMISTRY OVERVIEW OF FORENSIC CHEMISTRY
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Background: Development of Crime Labs Background: Development of Crime Labs 1923: First crime lab in the USA (Los Angeles Police Department in Berkeley, CA. 1960’s: Supreme Court’s decision to secure evidence, use more professional police investigation for prosecuting criminals has seen an outbreak of crime labs. Other driving forces: Explosion in the use of illicit drugs (production, distribution, sale). Publicity of crime investigation (TV shows Court-TV, Forensic Files, FBI Files, CSI, etc) 1990’s: DNA technology, which allows trace analysis of saliva, blood stains, hair, semen, bite marks, etc.
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Today………. Today………. Organized forensic science labs include: The Federal Bureau of Investigation labs. The Drug Enforcement Administration labs. The Bureau of Alcohol, Tobacco, Firearms, and Explosives lab. The U.S. Postal Service labs. States and counties have their self-tailored labs to assist local law-enforcement personnel (GBI).
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Various Areas of Expertise in Forensic Various Areas of Expertise in Forensic Science Science Crime Labs offer very diversified expertise to the law enforcement personnel. Physical Science Unit: use principles of chemistry, physics, and geology to identify and compare physical evidence. Biology Unit: identification of DNA and other body fluids.
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3800notes - OVERVIEW OF FORENSIC CHEMISTRY Background...

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