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Terms in this set (29)
A system of identification of individuals by measurement of parts of the body, developed by Alphonse Bertillon.
A class of fingerprints characterized by ridge lines that enter the print from one side and flow out the other side.
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.
To emit visible light when exposed to light of a shorter wavelength.
A technique for visualizing latent fingerprints by exposing them to iodine vapors.
A fingerprint made by the deposit of oils and/or perspiration; it is invisible to the naked eye.
An inkiness device that captures the digital images of fingerprints and palm prints and electronically transmits the images to an AFIS.
A class of fingerprints characterized by ridge lines that enter from one side of the pattern and curve around to exit from the side of the pattern.
A chemical reagent used to develop latent fingerprints on porous materials by reacting with amino acids in perspiration.
A sliver nitrate-based reagent formulated to develop latent fingerprints on porous surfaces.
A square electronic dot that is used to compose a digital image.
A fingerprint impressed in a soft surface.
A verbal description of a perpetrator's physical characteristics and dress provided by an eyewitness.
Ridge Characteristics (minutiae)
Ridge ending, bifurcations, enclosures, and other ridge details, which must match in two fingerprints in order for their common origin to be established.
A physical change from the solid directly into the gaseous state.
A technique for visualizing latent fingerprints on nonporous surfaces by exposing them to cyanoacrylate vapors; named for the commercial product Super Glue.
A fingerprint made when the finger deposits a visible material such as ink, dirt, or blood onto a surface.
A class of fingerprints that includes ridge patterns that are generally rounded or circular in shape and have two deltas.
Inside the Science: The ACE-V
The ACE-V process...Analysis, comparison, evaluation, and verification. By at least two fingerprint examiners.
Case Files: The Night Stalker
When the police found a car suspected to be the car that the night stalker used a fingerprint was found. This lead to Richard Ramirez to be the killer (weapon and stolen items were also found).
Case Files: The Mayfield Affair
The FBI misidentified a fingerprint and it almost cost a man his life. Major steps were taken to make sure that it never happens again.
Inside the Science: Fluorescence
Examiner has to wear glasses to protect their eyes from reflected/scattered light. They use the blue/green laser more because it helps lessen the perspiration from the fingerprint.
!883, came up with Anthropometry.
While stationed in India he made people sign contracts by using the imprint of their right hand.
Came up with fingerprinting and wanted to study into it more but was rejected until two decades later.
Published his book "Finger Prints" in 1892. Created the types; loops, arches, and whorls. Said no two fingertprints are the same and don't change over the years.
Dr. Juan Vucetich
Came up with a classification system used in modern times by Spanish speaking countries.
Sir Edward Richard Henry
Came up with a classification system used in modern times by English speaking counties.
US vs. Bryon C. Mitchell
The court ruled that (1) human friction ridges are unique and permanent and (2) human friction ridge skin arrangements are unique and permanent.
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