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  2. Forensic toxicology - Wikipedia

    en.wikipedia.org/wiki/Forensic_toxicology

    Forensic toxicology is a multidisciplinary field that combines the principles of toxicology with expertise in disciplines such as analytical chemistry, pharmacology and clinical chemistry to aid medical or legal investigation of death, poisoning, and drug use. [1]

  3. Drug test - Wikipedia

    en.wikipedia.org/wiki/Drug_test

    A drug test (also often toxicology screen or tox screen) is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites.

  4. Post-mortem chemistry - Wikipedia

    en.wikipedia.org/wiki/Post-mortem_chemistry

    For example, cocaine can be detected in the blood for two to ten days, while it can be detected in urine for two to five days. The results of post-mortem toxicology testing are interpreted alongside the victim's history, a thorough investigation of the scene, and autopsy and ancillary study findings to determine the manner of death.

  5. Forensic science - Wikipedia

    en.wikipedia.org/wiki/Forensic_science

    The Supreme Court cited the National Academies of Sciences report Strengthening Forensic Science in the United States [110] in their decision. Writing for the majority, Justice Antonin Scalia referred to the National Research Council report in his assertion that "Forensic evidence is not uniquely immune from the risk of manipulation."

  6. List of instruments used in forensics - Wikipedia

    en.wikipedia.org/wiki/List_of_instruments_used...

    Autopsy saws: to cut tough structures like bones: Blades: Blades are used during autopsy to cut bodily tissues. Towel clamps: to hold towels in place Skull breaker or often a (hammer and chisel) To break the skull. Bone saw: A bone saw is used for cutting bones. Sternal saw: for cutting into the chest of the body by cutting the sternum. Toothed ...

  7. DNA confirms man who had passed polygraph test as suspected ...

    www.aol.com/dna-confirms-man-had-passed...

    However, a blood sample had been collected during his autopsy. Authorities in Florida sent the sample to the California Department of Justice, which confirmed Williamson’s DNA matched the DNA ...

  8. Forensic chemistry - Wikipedia

    en.wikipedia.org/wiki/Forensic_chemistry

    Forensic chemistry is the application of chemistry and its subfield, forensic toxicology, in a legal setting. A forensic chemist can assist in the identification of unknown materials found at a crime scene. [1] Specialists in this field have a wide array of methods and instruments to help identify unknown substances.

  9. Hair analysis - Wikipedia

    en.wikipedia.org/wiki/Hair_analysis

    Its most widely accepted use is in the fields of forensic toxicology, in pre-employment drug testing and, increasingly, in environmental toxicology. [1] [2] Several alternative medicine fields also use various hair analyses for environmental toxicology, but these uses are controversial, evolving, and not standardized.