Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many...

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arch A fingerprint pattern in which the ridge pattern originates from one side of the print and leaves from the other side 5% Arch fingerprints are found in this percent of the population core The center of a loop or whorl pattern dactylography dactyloscopy Give the two possible names for the branch of science which studies fingerprints dermal or friction ridges Raised portions of the skin, arranged in connected units, which form fingerprints

Transcript of Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many...

Page 1: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

archA fingerprint pattern in whichthe ridge pattern originates

from one side of the print andleaves from the other side

5%Arch fingerprints are

found in this percent ofthe population

core The center of a loop orwhorl pattern

dactylographydactyloscopy

Give the two possiblenames for the branch of

science which studiesfingerprints

dermal or friction ridgesRaised portions of the

skin, arranged inconnected units, which

form fingerprints

Page 2: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

delta

A triangular ridge pattern withridges that go in differentdirections above and below atriangle; found in all loop andwhorl patterns

fingerprintAn impression left on any

surface that consists ofpatterns made by ridges

on the tip of a finger

loopA fingerprint pattern in

which the ridge enters fromone side, curves, then exits

on the same side

65%Loop fingerprints are

found in this percent ofthe population

latentA hidden fingerprint

made visible through theuse of powders or other

techniques

Page 3: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

minutiae

The combination of details inthe shapes and positions ofridges in fingerprints that makeeach unique; also called ridgecharacteristics

patentA fingerprint that happens whenfingers with blood, ink, chalk,grease or dirt on them touch asurface and transfer the pattern oftheir fingerprint to that surface

plasticA three-dimensional

fingerprint made in softmaterial such as clay,

soap, paint, putty, or wax

whorl A fingerprint pattern thatresembles a bull's-eye

30%Whorl fingerprints are

found in this percent ofthe population

Page 4: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

ridge These appear dark on afingerprint image

valley These appear white on afingerprint image

10thFingerprints typically

form during this week ofpregnancy

epidermis The outermost layer ofskin

dermis The innermost layer ofskin

Page 5: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

basal layerThese cells grow faster than

the layers above and below soit collapses and folds to form

the shapes of a fingerprint

apocrineType of sweat glandsassociated with hair

follicles

eccrineType of sweat glandsassociated with the

hands and feet

loop The most commonfingerprint pattern

arch The least commonfingerprint pattern

Page 6: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

tented This type of arch patternhas a spike in the middle

radialOn the right hand, this

loop pattern openstowards the left

ulnarOn the left hand, thisloop pattern opens

towards the left

double loopThis whorl pattern ismade up of any two

loops combined into oneprint

accidentalWhorl Fingerprint type consistingof a combination of two differenttypes of patterns or whichconforms to none of the normalfingerprint type definitions

Page 7: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

12To be absolutely certaintwo prints match, theymust have this many

common minutiae

8The maximum number of

minutiae found to beshared between twodifferent individuals

bifurcation Minutiae pattern thatlooks like a "Y"

tape Method used to liftfingerprints after dusting

cyanoacrylate Super glue fingerprintingmethod

Page 8: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

ninhydrinThis fingerprint test resultsin a purple-blue print whenamino acids found in sweat

react with this chemical

silver nitrateChloride from salt in

sweat on a printcombines with this to

form dark colored prints

iodineFuming this chemicalcauses fingerprints to

appear brown thenquickly fade

individual Fingerprints are this typeof evidence

Galton-Henry Method of fingerprintingstill used today

Page 9: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

AFISFBI's electronic storageand search program for

fingerprints

50 millionThe number of fingerprints

stored in the IntegratedAutomated FingerprintIdentification System

2 hoursThe time it takes AFIS to

produce a list of potentialmatches from a

fingerprint

double bifurcationname the type of

minutiae pictured:

island ridge

name the type of minutiae pictured:

Page 10: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

trifurcationname the type of minutiae pictured:

eye

name the type of minutiae pictured:

spurname the type of minutiae pictured:

dotname the type of minutiae pictured:

bifurcationname the type of minutiae pictured:

Page 11: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

ridge endingname the type of minutiae pictured:

bridgename the type of minutiae pictured:

delta

name the type of minutiae pictured:

plain whorl

Name the type of fingerprint pattern shown:

accidental whorl

Name the type of fingerprint pattern shown:

Page 12: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

plain arch

Name the type of fingerprint pattern shown:

tented arch

Name the type of fingerprint pattern shown:

double loop whorl

Name the type of fingerprint pattern shown:

central pocket loop

Name the type of fingerprint pattern shown:

radial loop

Name the type of fingerprint pattern shown: (righthand)

Page 13: Print › Forensics- Ch. 5 Fingerprints | Quizlet...two prints match, they must have this many common minutiae 8 The maximum number of minutiae found to be shared between two different

ulnar loop

Name the type of fingerprint pattern shown: (righthand)