CRIM 355 Study Guide - Midterm Guide: Forensic Toxicology, Forensic Science, Forensic Chemistry
23 Oct 2018
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Ident at scene wants to analyze everything (e. g. cigarette butt, chewed gum etc. ) Lab (civilian) is backlog so can do limited number of item. Crime scene liaison officer: knows both crime scene and lab, acts as a mediator between the scene officers and lab scientists, assist with exhibit submission and priority rating proof (blood spot is more urgent than gum) First duty is to protect themselves, police safety. Ident officers fingerprints and blood spatter: forensic pathologists autopsies, specialists, anthropologists human remains, botanists plants, dentists teeth remain, entomologists insects in remains, diatom specialists microscope to observe the organs (ex. Rules of evidence -us: frye v. united states - 1923 - the science must be generally accepted and well established - Defence argued that this drug test was new and had not gained general acceptance of other scientists. Court rejected this defense as this test is admissible only if they are based on scientifically valid principles and techniques.
