Chemistry and crime: A laboratory-based forensic science techniques

KEYWORDS (Subject): ... Forensics as a Gateway: Promoting Undergraduate Interest in Science, and Graduate Student Professional Development through a ...
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fortunately, on the availability of instrumentation in the laboratorv. The trainee also hemmes familiar with the hasic classes ofhrugs controlled by state and federal statutes. This familiarity includes the chemical and physical properties, synthesis-or preparation (both clandestine and legitimate) common "street forms," legitimate pharmaceutical dosage forms..and eeneral introduction to uses and nharmacoloeical " actions. Practical laboratory exercises are completed wherebv the trainee conducts analvses of "unknowns" provided bv t i e supervising instructor. Table 2 lists the 21 casks ident(fied in the SAFS training guidelines for this particular laboratory activity. Within FDLE laboratories, once the candidate has completed this fairly structured series of tasks, he or she movesinto a less-structured phase of training which involves primarily supervised casework under the direction of the instructine chemist. As iob task maturitv increases. the trainee becomes more and more self reliant in conducting analyses of case materials. Confident and Competent The overriding purpose of this training program is to ensure that the laboratory personnel are as competent as possible. I t is important for their well being, and for the most efficient and reliable operation of the criminal justice system, that all persons in the laboratory be so familiar with their instruments and experimental methods that they are both confident and competent. T o assure the trainee that such is the case, the SAFS euidelines recommend a rermlar evaluation nrocess. At the &d of thr IIV-VIS task, foLexample, there is an evaluation of the trainee in this area, inrludine a test of both knowledue and skills. The knowledge test employs both an oral a