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Flashcards in CHAPTER C Deck (40)
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0
Q
  1. What are the 5 key elements to a preliminary investigation.

2

A
  1. A. Securing the crime scene.
    B. Considering the possible arrest of a suspect.
    C. Locating and questioning witnesses and victims.
    D. Documenting the crime scene
    E. Identifying and collecting evidence.
1
Q
  1. What is a preliminary investigation. 2

1

A
  1. A. An initial inquiry by officers to establish facts and circumstances of a suspected crime.
    B. To preserve any evidence related to that crime.
2
Q
  1. When collecting evidence. What principle theory is important to remember.

3

A
  1. The locard exchange principle.
3
Q
  1. What is the locard exchange principle.
  2. What else is the locard exchange principle know as.
  3. Where is Locards exchange theory applied.
  4. What will then happen
  5. What is left because of Locards principle

4

A
  1. Every contact leaves a trace.
  2. The transfer of evidence theory.
  3. To every crime scene where the perpetrator of a crime comes into contact with the scene.
  4. He or she will both bring something into the scene and leave with something from the scene
  5. Trace evidence
4
Q
  1. When does contamination of evidence at a crime scene usually and most commonly occur. 3

5

A
  1. A. When it’s not properly secured.
    B. When it’s wrongfully mixed with Other types of evidence.
    C. Or is altered significantly from its original condition at the crime scene
5
Q
  1. What is Trace evidence.

6

A
  1. Any type of material left at it taken from a crime scene or the result of contact between two surfaces.
6
Q
  1. What are the two main types of evidence classifications.

7

A
  1. A. Corpus delicti.
    B. Associative evidence
7
Q
  1. What is corpus delicti evidence.
  2. Example

8

A
  1. Evidence that establishes that a crime has been committed.
  2. Pry marks on a door jam.
8
Q
  1. What is associative evidence.
  2. Example

9

A
  1. Evidence that links a suspect to a crime

2. Fingerprints. Footprints. A blood stain

9
Q
  1. What are the 6 examples of evidence.

10

10

A
1. 
     A. Physical evidence. 
     B. Direct or prima facie evidence. 
     C. Indirect or circumstantial evidence. 
     D. Testimonial evidence. 
     E. Trace evidence. 
     F. Demonstrative evidence.
10
Q
  1. What is physical evidence.

11

A
  1. Self explanatory evidence. Speaks for itself.

Weapons, blood , drugs. Etc.

11
Q
  1. What is direct or prima facie evidence.
  2. Example

12

A
  1. Evidence established by law. That at face value proves a fact in dispute.
  2. The law that says the minimum blood alcohol content for DUI.
12
Q
  1. What is indirect or circumstantial evidence
  2. Example

13

A
  1. Intends to incriminate a person without offering actual proof.
  2. Footprints outside of a burglary doesn’t establish that he or she is the burglar.
13
Q
  1. What is testimonial evidence.
  2. Example

14

A
  1. Verbal statements offered in court under oath.

2. Testimony

14
Q
  1. What is Trace evidence.
  2. Example

15

A
  1. Extremely small items of evidence. With the aid of modern forensic analysis it can be examined.
  2. Hair or clothing fibers.
15
Q
  1. What is demonstrative evidence.
  2. Example

16

A
  1. Evidence used to demonstrate or clarify an issue rather then prove something.
  2. Child uses doll to aid in testimony
16
Q
  1. What amendment protects us from search and seizure.

17

A
  1. The 4th amendment.
17
Q
  1. What are the 7 actions of the first officers duty while going to a scene.

18

A
  1. Actions while enroute to the scene - Be alert while enroute to the scene to perps or fleeing vehicles.
  2. Initial actions upon arrival - verify a crime was committed.
  3. Provide assistance to victims , witnesses , and bystanders.
  4. Arrest the perp.
  5. Follow up communications with HQ. - provide into or flash.
  6. Identify witnesses and vehicles.
  7. Brief the supervisors.
18
Q
  1. What is one important function of the responding officers to a scene.
  2. What could happen if the crime scene is disturbed.

19

A
  1. Secure the scene. Make sure it’s not unnecessarily disturbed.
  2. Vital evidence could be lost
19
Q
  1. What 3 things could unnecessary or improper entry into a crime scene do.

20

A
  1. A. Destroy or contaminate evidence.
    B. Introduce items or substances into the crime scene that may mislead investigators.
    C. Provide defense attorneys with a basis for discrediting the investigators or their findings of s crime lab.
20
Q
  1. Responding officers should only enter a crime scene for Beth limited purposes. What are the 4 reasons.

21

A
1. 
     A. Determining a crime has been committed. 
     B. Aiding victims. 
     C. Apprehending perpetrators. 
     D. Securing the area.
21
Q
  1. Evidence at a crime scene serves 4 objectives. What are they.

22

A
  1. A. To determine the facts of the crime.
    B. To identity the lawbreaker.
    C. To aid in the perpetrators arrest.
    D. To aid in the criminal prosecution of the perpetrators.
22
Q
  1. The search of a crime scene consists of 4 phases. What are they
  2. What 2 things must the search be.

23

A
1. 
     A. Surveying the scene. 
     B. Documenting the scene through sketches. 
     C. Recording physical evidence. 
     D. Searching for fingerprints. 
  1. A. Thorough.
    B. Systematic.
23
Q
  1. What is the chain of custody

24

A
  1. The total accounting of evidence
24
Q
  1. What are the obvious Signs of death. 4.

25

A
1. 
     A. Odor. 
     B. Decomposition. 
     C. Lividity. 
     D. Rigor Mortis.
25
Q
  1. For a hanging victim. What should careful attention be paid attention to. In order to protect.
  2. Why.
  3. Why again

26

A
  1. The knot on the noose.
  2. Because many investigative leads may be developed by the rope used for the hanging.
  3. Because suicide may be a cover up for himicide.
26
Q
  1. If officers must cut down a handing victim, how should the rope be cut.
  2. What also should care be given to

27

A
  1. Cut far above the knot so that the knot can be preserved for examination.
  2. Care to support the body as best as possible
27
Q
  1. How should u pick up a firearm at a scene
  2. Just like DNA and FINGERPRINTS what is also considered LATENT EVIDENCE.

28

A
  1. Using two fingers on the textured part of the grip where no fingerprints can be removed
  2. A. Electronic surveillance.
28
Q
  1. What are the 4 special characteristics of electronic evidence.

29

A
  1. A. It is latent.
    B. It can transcend national and state borders quickly and easily.
    C. It is fragile and can be altered , damaged , compromised , or destroyed.
    D. It may not be time sensitive.
29
Q
  1. What 4 objectives does evidence discovered at a crime scene serve.

30

A
  1. A. To determine the facts of the crime.
    B. To identify the lawbreaker.
    C. To aid in the arrest of the perpetrator.
    D. To aid in the criminal prosecution of the perp.
30
Q
  1. What are the 4 distinct phases of a crime scene search.

31

A
  1. A. Surveying the crime scene.
    B. Documenting the crime scene through sketches and photos.
    C. Recording all physical evidence.
    D. Searching for fingerprints.
31
Q
  1. What are the 4 most common search patterns for searching a crime scene.

32

A
  1. A. The spiral search method.
    B. The grid search method.
    C. The strip or line search method.
    D. The quadrant or zone search method.
32
Q
  1. How many officers should search an indoor crime scene.
  2. What is the best method for an indoor search.

33

A
  1. At least two officers.

2. The quadrant or zone search.

33
Q
  1. What is a quadrant or zone search.
  2. This will result in each half of the room being searched how many times.

34

A
  1. Done by dividing the room in half and having each investigator search half of the room. At the conclusion of the search switch halves.
  2. Twice
34
Q
  1. What is the best method for searching an outdoor crime scene.

35

A
  1. The grid method.
35
Q
  1. What is the grid method for a search.
  2. How many square feet is each small grid about.

36

A
  1. Rope off the scene into a grid.

2. About 6 square feet.

36
Q
  1. What 2 areas of a cartridge are used for identification.
  2. When removing a bullet from a crime scene. Ho should this be done if the bullet is lodged in something.

37

A
  1. A. The rim/cannelure
    B. The base.
  2. Remove the material around the bullet. And submit it all together.
37
Q
  1. What is the greatest contributer to the commission of a crime

38

A
  1. Drug abuse
38
Q
  1. What does a follow up investigation do

39

A
  1. It builds ok what has been learned in the preliminary investigation.
39
Q
  1. The tasks required for a follow up investigator include. 6.

40

A
  1. A. Analyze the reports from officers conducting the preliminary invest.
    B. Review departmental records and MO.
    C. Gather information on friends and associates of suspects.
    D. Examine the victims background.
    E. Check police Intell files to develop a suspect
    F. Organize police actions. Such as canvass raid search warrants.

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