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My DI Study Cards > CSI Book > Flashcards

CSI Book Flashcards

1
Q

First an old is federal law enforcement agency in the United States

A

US Marshal service

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2
Q

The nations first formal investigative branch

A

US postal inspection service

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3
Q

First policing agency with statewide jurisdiction

A

Texas rangers

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4
Q

Transient evidence

A

Evidence that is easily perishable or destroyed should be look for first

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5
Q

Principal and lead investigators

A

Principal investigators do all the legwork, and the lead investigator is more of a supervisor role

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6
Q

Crime scene, logistics map consist of

A

The core, the inner area in the outer area

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7
Q

Peripheral crime scene also known as

A

The inner area

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8
Q

The Birdseye perspective a.k.a. exploded crime scene sketch is used for

A

Ground level perspective.
Provides a two dimensional view, looking directly down from above

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9
Q

Elevated crime, scene, sketches provide

A

Provide two dimensional side view of a particular location
Example bullet holes are blood stains on the walls or other vertically oriented surfaces

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10
Q

Evidence that is undetectable with the unaided eye, and usually visualized using some type of specialize lighting, and or magnification device

A

Trace evidence

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11
Q

Any object causes an image of itself by penetrating another object or surface area qualifies as a form of

A

Impression evidence

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12
Q

Class characteristics

A

What individual pieces of evidence have in common

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13
Q

Individual characteristics

A

Allow a specific piece of evidence to be identified as originating from a specific person place or thing

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14
Q

In regards to identification how many pieces of class evidence an individual evidence is required

A

At least two pieces of class evidence in one piece of individual evidence

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15
Q

Every contact leaves a trace and is deceptively simple is known as

A

Lochard’s exchange principle

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16
Q

Arches

A

Rolling Hills
5% of the population in most prevalent among African-Americans

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17
Q

Loops

A

65% of the population in most prevalent among Caucasian individuals

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18
Q

Whorls

A

Includes 35% of the population in most prevalent among Asian Latinos and Native American

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19
Q

The most common type of print at crime scenes

A

Latent prints, and are not visible to the unaided eye

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20
Q

Vapor created by heating iodine crystals is absorbed by the oils and other constituents of latent print

A

Iodine fuming

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21
Q

This chemical developer reacts with the traces of amino acids contained in perspiration and causes a latent print to turn a bluish purple color in approximately 2 to 3 hours

A

Ninhydrin

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22
Q

If an attempt to develop a print with Ninhydrin should fill this can be used

A

Silver nitrate

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23
Q

Order of application for chemical developers

A
  1. Iodine fuming is used first.
    Silver nitrate or superglue fuming should be applied last because after it’s use latent print, will not easily be developed by other methods
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24
Q

Solution capable of developing prints on wet surfaces

A

Small particle reagent

25
Q

Applying this chemical to non-porous or waxy, greasy metal or glass surfaces, milk, cartons, or interior of latex gloves and candles produce a black print

A

Sudan black

26
Q

Chemical for developing prints on bloody surfaces

A

Leuco crystal violet
Luminol
Fluorescein
Acid fushsin

27
Q

Sticky surface print development

A

Sticky side powder
Crystal violet

28
Q

Skin surface prints

A

Iodine fuming
Super glue fuming
Amido black

29
Q

Gunshot residue

A

Within 3 feet and within three hours
Over six hours will no longer be a value in laboratory analysis

30
Q

Striation marks

A

Striation marks are negative impressions on the barrels surface, and then result in positive impressions on a bullet, after its been fired

31
Q

Chemical apply to suspected evidence that can show blood is known as

A

Chromogen

32
Q

Luminol and fluorescien

A

Luminol only last a matter of minutes. Fluorescien last hours
Pale blue

33
Q

Bite marks should be photographed within

A

Eight hours

34
Q

Criminal events that are extremely shocking or unexpected to the witness may cause was known as a

A

Flashbulb memory

35
Q

________ assumes that certain involuntary verbal reactions from suspects as well as body and I’ve movements can be used to identify one suspects are being deceptive during an interrogation session.

A

Neuro linguistic programming

36
Q

Neurolinguistic programming has three modalities

A

Visual, auditory and kinesthetic

37
Q

NLP percentages

A

45 to 60% visual
20 to 45% auditory
10 to 15% kinesthetic

38
Q

Hypnosis not admissible in court… which case?

A

People V Shirley

39
Q

Pin trap devices allow for __ days of continued surveillance activities.

A

60

40
Q

Intelligence used to identify and solve an immediate crime or security problem

A

Tactical intelligence

41
Q

Developing a long-term big picture of a particular crime. Problem is the primary goal of this intelligence method.

A

Strategic intelligence

42
Q

Gathering information derived from nonspecific pieces of evidence that may lead to the discovery of new forms of evidence

A

Evidential intelligence

43
Q

This method of intelligence focuses on specific large scale, criminal activities over an extended period of time. For purposes of identifying and gathering more detailed intelligence on specific criminal activities, offenders in their targets.

A

Operational intelligence

44
Q

Besides, blood DNA can be extracted from tissues, or other sources containing cells. The most frequent sources are ______.

A

Epithelial tissues, located within the mucus membrane

45
Q

Most common method of DNA testing

A

PCR (polymerase chain reaction)

46
Q

Mass murder =

A

4 or more murders at once, same location

47
Q

Spree murder

A

Single homicide at multiple locations. No cooling off period

48
Q

Serial murder

A

3 or more murders
Cooling off yes
3 or more locations

49
Q

____ can appear in as little as 1 hour after death but is usually present in 3.

A

Corneal clouding

50
Q

Discoloration of the skin after death

A

Livor mortis (lividity)

51
Q

Algor mortis

A

Cooling of the body
12 hrs
1.5-2 degrees per hr

52
Q

External decomposition of bodies, soft tissue is referred to as

A

Putrefaction
Begins approximately 36 hours after death

53
Q

Approximately _______ percent of all burglaries are non residential.

A

30%

54
Q

The first appearance by the defendant, and or the attorney, and the trial process is called

A

The arraignment

55
Q

Evidence that tends to clear a defendant from any wrongdoing and ultimately leads to the dismissal of that specific charge is called

A

Exculpatory evidence

56
Q

_______ is the term used to describe the actions of proving each legal claim in the indictment.

A

 Case in chief

57
Q

Judicial notice

A

If the judge takes judicial notice of a fact, the factors assumed true and admitted, as evidence judges, take judicial notice of fax commonly known in the jurisdiction where the trial is held and are easily determined, and verified from a reliable source.

58
Q

An agreement between the parties that certain fax exist in or not, and dispute is called

A

Stipulations

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