Master this deck with 27 terms through effective study methods.
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It effectively places an individual at a crime scene.
Alphonse Bertillon developed it for criminal identification.
He was the first to study the function of friction ridge skin.
No two fingerprints have ever been found alike.
Invisible prints made from oil secretions.
It is visible and results from contamination on a surface.
True dimensional impressions made in pliable materials.
Skin on hands and feet with raised ridges for gripping.
Arch, loop, and whorl.
The central part of a fingerprint pattern.
A point where ridges diverge.
Unique ridge characteristics like endings and bifurcations.
Ridges flow in on one side and out the same side.
It has two or more deltas with recurve patterns.
Transferred materials from friction ridge skin.
About 98% water, with salts and proteins.
Skin structure and surface receptivity influence print quality.
Examiners often explain why prints are absent from a scene.
Porous surfaces absorb moisture, while nonporous surfaces do not.
Ninhydrin is used for developing prints on porous materials.
It reacts with amino acids to produce a purple color.
It creates a white coating on ridges from cyanoacrylate vapor.
AFIS is state-maintained, while NGI is managed by the FBI.
It must have identifiable ridge details like endings and bifurcations.
Candidates are ranked by score for manual comparison.
The print may be registered in the unsolved latent database.
Fixed surfaces are processed after evidence collection to avoid contamination.