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When
fingerprint evidence is received, the RISCL Latent Print Section
reviews the background materials submitted with the evidence and
determines the general approach necessary for effective
examination of the evidence within the latent print section of
the laboratory. Within this section, complex examinations are
performed on evidence items utilizing appropriate techniques
including the use of powders, chemicals, high intensity light
sources (visible, laser, ultraviolet and infrared), cameras,
lenses, film, and other laboratory equipment. Such examinations
may include: latent fingerprint/palm print enhancement,
comparison, and identification, digital photography of evidence,
and use of computer software to analyze and compare print
impressions.
Latent print examination results are
interpreted and evaluated to determine their validity,
scientific significance, and evidentiary value to provide the
most information possible. Written reports are then prepared
that state the results of examinations. RISCL latent print
examiners may be required to testify in court as experts in
their specialty area(s). When requested, the examiners will also
participate in crime scene processing and work with law
enforcement and laboratory personnel in regard to evidence
procedures.
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