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Exam 3 > Basic Physical Evidence > Flashcards

Basic Physical Evidence Flashcards

1
Q

The systematic collection of information for identifying, apprehending, and convicting suspected offenders is ?

A

A Criminal Investigation

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2
Q

Something that furnishes proof is

A

satisfying to the triers of fact, such as the jury, or falsity of an allegation

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3
Q

What are the 3 types of evidence?

A
  1. Testimonial
  2. Documentary
  3. Physical
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4
Q

What is documentary evidence?

A

Evidence in written, not oral form

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5
Q

What is more reliable Physical evidence, or eye witness testimony?

A

Physical

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6
Q

What is Locard’s Exchange principle?

A

“Every contact leaves it’s trace”

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7
Q

What establishes a link between the various facets of the crime scene, the victim, and the suspect?

A

The Evidence Triangle

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8
Q

What are 3 methods of evidence documentation?

A
  1. written/recorded notes
  2. photography
  3. videotapes/sketches
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9
Q

When preparing rough notes you should

A
  1. Write in ink
  2. draw a single line through errors
  3. Make all entries in chronological order
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10
Q

What provides a 2 dimensional record of the crime and/or crime scene?

A

Sketches

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11
Q

Your title block on your sketch should include

A
  1. agency case number, case title or type of offense
  2. Date sketch was drawn
  3. Location of case
  4. Name of the sketcher/ assistants
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12
Q

What should be written in the key of your sketch?

A

“Not drawn to scale”

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13
Q

What will represent fixed points in a sketch?

A

Letters (A,B,C)

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14
Q

What are the basic stages to a crime scene search?

A
  1. Preparation
  2. Approach to the scene
  3. Basic premises
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15
Q

When are Evidence response teams especially valuable?

A

When a large crime scene is encountered or when there are multiple scenes in a given case

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16
Q

Who is the focal point of the crime scene investigation and is the person that exerts a position of control over the entire crime scene operation?

A

Team Leader

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17
Q

Who ensures all digital imagining is handled at a crime scene?

A

The photographer and the photographic log recorder

18
Q

When dealing with a specialist what are some aspects to consider?

A

The competence and reliability of the specialist

19
Q

3 things to consider when approaching a crime scene

A
  1. Officer safety is the first priority
  2. Render aid to victims
  3. Be alert for discarded evidence
20
Q

What is the Golden Rule?

A

Do not touch, move or alter any evidentiary item until you document the scene

21
Q

Even if a suspect confessed you still need to

A

document every case and it’s associated evidence thoroughly

22
Q

What are not substitutes for thinking?

A

Forms

23
Q

What are the 2 basic search approaches?

A
  1. Cautious

2. Detailed

24
Q

What search method is used for covering large or open areas?

A

Strip or lane method

25
Q

What is the method-best used outdoors?

A

Grid Search method

26
Q

What type of search is usually conducted by a single searcher?

A

Spiral or circular search

27
Q

When possible how many people should see the evidence in place before it is collected?

A

at least 2

28
Q

What evidence must be collected first?

A

Evidence of a fragile nature

29
Q

What is the maximum amount of time moist or wet biological evidence can be stored in sealed plastic?

A

2 hours

30
Q

If a computer is “Off” do not

A

turn it “On”

31
Q

If a computer is “On” you should?

A

Consult a computer specialist

32
Q

What are the 3 basic types of friction ridge impression evidence?

A
  1. True (latent)
  2. plastic
  3. patent
33
Q

What type of print is hidden or not visible?

A

True (latent)

34
Q

What prints are actually friction ridges that are stained and made visible due to contamination?

A

Patent

35
Q

What type of print is actually an indentation into a soft substrate like gum?

A

Plastic

36
Q

What are the 2 types of surfaces

A
  1. Porous

2. Non-porous

37
Q

Before picking up a firearm as evidence you should do what if possible?

A

Note the position of the hammer

38
Q

What should you not clean, or mark for identification purposes, and needs to be packaged seperately?

A

Bullets

39
Q

When can a crime scene be released?

A

only after completion of the final survey

40
Q

Who is the only person who can release a crime scene?

A

the person in charge

41
Q

What is the “life history” of the item from the time of discovery until it is no longer needed?

A

The chain of custody

42
Q

What is the theory of interchange?

A

its highly unprobable that someone can enter an environment without leaving something of themselves, or taking something of the environment with them

Exam 3 (13 decks)

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