FIS 202 module 5: evidence development
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12 Terms
barrier filters
block the original wavelength while allowing remaining fluorescence to pass through
short wave UV
(100-280nm) used in chromatography, mineralogy and sterilization
mid wave UV
(320-380nm) transmitted through quartz lens and is used for therapeutic and cosmetic purposes
long wave UV
(315-400nm) generated by portable lamps and hugely beneficial to the forensics industry
blue light
combined with an orange barrier filter and will cause several biological fluids, fibers or hairs to fluoresce
T/F: an ESLD can be used to lift a dry, bloody footwear impression
False
latent prints
depositions of oils leaving an invisible deposit that must be enhanced
patent prints
fingerprint made in some form of visible media
plastic print
3D fingerprint impression made in some malleable media
porous surfaces
paper, cardboard, untreated wood
nonporous smooth
painted, plastic, glass surfaces
nonporous rough
vinyl, leather, textured countertops