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18 Cards in this Set

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  • Back
portrait parlé
A verbal description of a perpetrator's physical characteristics and dress provided by an eyewitness
anthropometry
A system of identification of individuals by measurement of parts of the body, developed by Alphonse Bertillon
ridge characteristics (minutiae)
Ridge endings, bifurcations, enclosures, and other ridge details, which must match in two fingerprints in order for their common origin to be established
latent fingerprint
A fingerprint made by the deposit of oils and/or perspiration; it is invisible to the naked eye.
loop
a class of fingerprints characterized by ridge lines that enter from one side of the pattern and curve around to exit from the same side of the pattern
whorl
A class of fingerprints that includes ridge patterns that are generally rounded or circular in shape and have two deltas
arch
A class of fingerprints characterized by ridge lines that enter the print from one side and flow out the other side
livescan
An inkless device that captures the digital images of fingerprints and palm prints and electronically transmits the images to an AFIS
visible print
A fingerprint made when the finger deposits a visible material such as ink, dirt, or blood onto a surface
plastic print
A fingerprint impressed in a soft surface
iodine fuming
A technique for visualizing latent fingerprints by exposing them to iodine vapors
sublimation
A physical change from the solid directly into the gaseous state
ninhydrin
A chemical reagent used to develop latent fingerprints on porous materials by reacting with amino acids in perspiration
Physical Developer
A silver-nitrate based reagent formulated to develop latent fingerprints on porous surfaces
superglue fuming
A technique for visualizing latent fingerprints on nonporous surfaces by exposing them to cyanoacrylate vapors; named for the commercial product Super Glue.
fluoresce
To emit visible light when exposed to light of a shorter wavelength
digital imaging
A process through which a picture is converted into a series of square electronic dots known as pixels; the picture is manipulated by computer software that changes the numerical value of each pixel.
pixel
A square electronic dot that is used to compose a digital image