Vocabulary Terms
Characteristics of Fingerprints
Fingerprint Trivia
Collecting Fingerprints
Fingerprint Trivia
100
A center of a loop or whorl
What is CORE
100
What are the 3 types of fingerprints?
What is... Arches Loops Whorls
100

All loop patterns have at least two deltas. (T or F)

What is False

100
a hidden fingerprint made visible through the use of powders or other techniques
What is latent fingerprint.
100

The chemical used to develop fingerprints that make them turn white.

What is superglue or cyanoacrylate.

200
A triangular ridge pattern with ridges that go in different directions above and below a triangle
What is DELTA
200

Types of minutae

What is eye, dot, delta, fork, etc.

200

Ninhydrin delebops latent fingerprints into this color.

What is pink, purple.

200

a fingerprint that happens when fingers with blood, ink, or some other substance on them touch a surface and transfer the pattern of their fingerprint to the surface

What is visible fingerprint.

200

The chemicals used on porous surfaces to develop fingerprints.

What are ninhydrin or iodine.

300
A combination of details in the shapes and position of ridges in fingerprints that make each unique; also called a ridge
What is MINUTIAE
300
A fingerprint pattern in which the ridge pattern originates from one side of the print and leaves from the other side
What is ARCH.
300

How many minutae points needed to make a positive identification.

What is 10-12

300

What are the 3 kinds of fingerprints found by investigators?

What is visible, plastic, and latent.

300

The forensic scientist that stated "Whenever two objects come into contact with each other, traces of each are exchanged"?

Who is Locard.  (Locard Principle)

400
The recognizable pattern of the ridges found in the end joints of the fingers that form lines on the surface of objects in a fingerprint
What is RIDGE PATTERN
400
What type of fingerprint does the highest percentage (65%) of the population have?
What is loops.
400

What type of fingerprint is this

What is a tented arch.

400

a three-dimensional fingerprint made in soft material such as clay, soap, or putty

What is plastic fingerprint.

400

What are the type of fingerprints used in the Henry FBI identification system.

What are whorls.

500

The study of fingerprints

What is DACTYLOSCOPY?

500
A fingerprint pattern in which the ridge pattern flows inward and returns in the direction of the origin.
What is LOOP.
500
New fingerprint technologies can scan at the rate of...
What is 500-1,000 dots per inch.
500

What are the two ways a latent finger print can be lifted?

What is... 1. Dusting with powders (carbon, magnetic, metallic) 2. Using chemicals to develop fingerprint

500

DOUBLE JEOPARDY!!!!!!!!!!! Describe how criminals alter their fingerprints refering to the case of John Dillinger.

Some criminals alter their finger prints by using acids. In the case of John Dillinger he tried using acid to remove his fingerprints after hearing stories about how Cuban worker’s fingerprints began to disappear after being exposed to the chemicals in pineapples over time. However, fingerprints can grow back and are still able to help identify you.

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