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Forensics > Fingerprints > Flashcards

Fingerprints Flashcards

1
Q

35%

A

Whorls

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2
Q

5%

A

Arches

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3
Q

The study of fingerprint identification. Police investigators are experts in collecting dactylograms otherwise known as fingerprints

A

Dactyloscopy

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4
Q

Dactylogram

A

Fingerprints

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5
Q

The simplest type of fingerprints that are formed cartridges that enter on one side of the print and exit on the other
No deltas

A

Arches

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6
Q

Must have one Delta and one or more ridges that enter and leave on the same side
Named by which way they point
PU

A

Loops

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7
Q

have at least one ridge that makes or tends to make a complete circuit they also have at least two deltas

A

Whorls

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8
Q

If a person has more than two daughters, it is most likely an —- whorl

A

Accidental

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9
Q

Made up of any two loops combined into one print like a yeng Yang sign

A

Central pocket whorls

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10
Q

Contain two or more patterns not including the plain arch, or does not clearly fall under any other category

A

Plain whorl

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11
Q

When fingerprints are recovered from a crime scene they are run through a computer —

A

Database

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12
Q

IAFIS

A

integrated automated fingerprint identification system

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13
Q

Holds fingerprints, but also corresponding criminal histories; mugshots; scars and Tattoo photos; physical descriptions; and Aliases(fake names, stolen descriptions)

A

IAFIS

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14
Q

Include civilian prints, United States military or federal government employees -the information is submitted voluntarily by state local and federal law-enforcement agencies

A

IAFIS

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15
Q

60%

A

Loops

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16
Q

new in —! NGI( — —– —- —–) to replace/improve IAFIS with increased information processing and sharing demand from local tribal federal and international agencies

A

2014

Next generation identification system

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17
Q

AFIT (part of NGI)

A

Advanced fingerprint identification technology

18
Q

AFIS took up to —– to respond to a request in criminal cases and —- for civil cases. Now AFIT criminal prints take —- and civil —-

A

2hrs
24hrs
10min
15min

19
Q

Fingerprints are made of — and —-

A

Ridges

Valleys

20
Q

The pattern forms during the —- stage of development

A

Fetal

21
Q

The pattern is formed between your —- and —-. A fingerprint is an —- characteristic; no two people have been found with the — —- fingerprint pattern. Not even —-

A 
Epidermis
Dermis
Individual
Exact same
Twins
22
Q

A fingerprint pattern will remain —– for the —– of an individual; however, the print itself may change due to —

A

Unchanged
Life
Permanent scars and skin diseases

23
Q

fingerprints very easily spotted often found in blood, Ink., oil or on surfaces such as glass, wooden door frames, or paper

A

Patent prints

24
Q

Prints that are not visible to the naked eye, sweat, oil, and jalts from sweat glands leave an impression of the pattern on objects

A

Latent prints

25
Q

Prints made in soft material or tissue by pressing down (pressed in)

A

Impressed plastic prints

26
Q

Three specific classes for all fingerprints

A

Arches
Loops
Whorls

27
Q

Arches

A

Plain- no deltas

Tented-deltas

28
Q

Loops

A

Radial -points to thumb
Ulnar- points to pinky

PU

29
Q

Whorls

A

Plain- whorl through line
Central pocket- above line
Double loop- s
Accidental- odd

30
Q

Specific situation where fingerprints would be more valuable than DNA evidence

A

Identical twins

31
Q

Rarest fingerprint pattern

A

Arches

32
Q

Not a compound of latent prints

A

Ink

33
Q

What is a two dimensional flat print that can be easily seen

A

Patent prints

34
Q

What do you call 2 3D visible prints known as a plastic print

A

Impressed

35
Q

What is minutia

A

Very small detail

36
Q

Most common hair used in brushes

A

Camel hair

37
Q

Prints may be collected from large items by revealing them with a dusting of — — and then lifted with a piece of — —

A

Black powder

Clear tape

38
Q

Some investigators use —– powder and UV lights to help them find latent prints on multi-colored or dark surfaces

A

Fluorescent

39
Q

Specialized lights that can detect prints

A

RUVIS

40
Q

— powder can also be used to detect latent prints. This type of powder works better on — surfaces or —- baggies/ containers

A

Magnetic
Shiny
Plastic

41
Q

The —- fuming method ( called — — method) is a procedure used to develop latent fingerprints on a variety of objects

A

Cyanoacrylate

Super glue

42
Q

—- is a chemical that bonds with the amino acids in fingerprints and will produce a blue or purple color. It is used to lift prints from surfaces such as paper and cardboard

A

Ninhydrin

Forensics (3 decks)

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