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Forensic Science Chapter 2

Beschreibung

Forensic Science Midterm Chapter 2 Study
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Zusammenfassung der Ressource

Frage 1

Frage
After providing or obtaining medical assistance for the injured and effecting an arrest of suspects (if possible), the first officer arriving at a crime scene should immediately:
Antworten
  • Search for evidence
  • Secure the scene
  • Make a rough sketch of the scene
  • Take notes

Frage 2

Frage
The first responding officer must make attempts at the crime scene to detain and question
Antworten
  • Witnessess
  • Unauthorized personnel
  • Suspects
  • Both A and C

Frage 3

Frage
Police barricades, and the strategic position of guards, will prohibit access to the crime scene for:
Antworten
  • Civilians only
  • Civilians and media personnel
  • All law enforcement personnel
  • All unauthorized personnel

Frage 4

Frage
The conditions at a crime scene can be compromised by all of the following actions EXCEPT:
Antworten
  • Taking photographs at the crime scene
  • Adjusting the temperature of the crime scene
  • Eating food at the crime scene
  • Turning a faucet on at the crime scene

Frage 5

Frage
The size and location of the crime scene, as well as the events that occurred there, will determine:
Antworten
  • The kind of evidence that will be missing
  • The kind of search pattern that is used to locate evidence
  • The amount of care that must be taken during the crime scene search
  • The time at which the crime scene is searched

Frage 6

Frage
Which search patter would be best suited for a crime scene where many investigators are available to search a large area?
Antworten
  • Spiral
  • Grid
  • Line
  • Zone

Frage 7

Frage
The purpose of the crime scene search is to locate:
Antworten
  • DNA-containing evidence
  • All physical evidence
  • Fingerprint evidence
  • Bloodstain patterns

Frage 8

Frage
The most basic methods of crime scene recording do NOT include:
Antworten
  • Note-taking
  • Photographs
  • Narrated videotapes
  • Infrared analysis

Frage 9

Frage
If the crime scene includes a dead body, the photographer should:
Antworten
  • Determine the time of death
  • Attempt to identify the victim
  • Document all forensic personnel at crime scene
  • Depict injuries and weapons at scene

Frage 10

Frage
A rough sketch need NOT include a:
Antworten
  • Sketch of the suspect(s)
  • Compass heading designating north
  • Date, location, and time of the incident
  • Location of all recovered physical evidence

Frage 11

Frage
CAD programs enhance the ability to:
Antworten
  • Take complete notes
  • Develop photographs
  • Edit video tape
  • Produce a finished crime scene sketch

Frage 12

Frage
Which statement about note-taking is NOT true?
Antworten
  • The individual who packaged and marked items of evidence should be recorded
  • Note-taking is done after all crime scene processing has been completed
  • Notes should included location of physical evidence recovered
  • Disposition of items after collection must be included

Frage 13

Frage
Which crime scene search pattern would absolutely require more than one investigator?
Antworten
  • Spiral
  • Line
  • Grid
  • Zone

Frage 14

Frage
Physical evidence at a hit-and-run scene should include
Antworten
  • Fiber and tissue
  • Glass fragments
  • Fabric impressions
  • All of the above

Frage 15

Frage
The crime scene notes must accurately record:
Antworten
  • The tasks assigned each investigator
  • Personnel arrivals and departures from the scene
  • Descriptions of evidence present at the crime scene
  • All of the above

Frage 16

Frage
The advantages of tape-recording crime scene notes on an audio tape include all of the following EXCEPT:
Antworten
  • The notes can be recorded at the crime laboratory instead of at the crime scene.
  • The investigator's hand are free to carry out other tasks while recording the notes
  • Audio tapes have the added security feature of preventing erasure or taping over if the security tab on the tape
  • The notes are recording as the observation are made

Frage 17

Frage
In digital photography, light is recorded as a specific charge on millions of tiny:
Antworten
  • Silver halide grains
  • Charge coupled devices
  • Semi-conductors
  • Pixels

Frage 18

Frage
Digital crime scene photographs require special measures to assure their admissibility tin court due to:
Antworten
  • Their poor quality
  • The inability to manipulate the images
  • The ability to manipulate the images
  • All of the above

Frage 19

Frage
Videotapes of the crime scene:
Antworten
  • Can be used in place of notes and photographs
  • Must be complemented by a hard copy of notes and separate still photographs
  • Are required in all jurisdictions
  • Are not admissible in court due to the poor image quiality

Frage 20

Frage
Crime scene sketches serve a unique purpose in permanently documenting the location of evidence
Antworten
  • Processed at the crime scene
  • Containing drug evidence
  • Not documented in photographs
  • Collected and removed from the crime scene

Frage 21

Frage
From the choices, select the one correct physical evidence collection procedure
Antworten
  • Bloodstained garments should be packaged separately in paper bags
  • Items recovered from scene of a murder should be sent along with the body to the Medical Examiner
  • All items collected from the same grid area should be packaged together.
  • The victim's clothing should be obtained at the crime scene and vacuumed to obtain trace evidence

Frage 22

Frage
Investigators should collect possible carriers of trace evidence which may include:
Antworten
  • Vacuum sweepings
  • Clothing
  • Fingernail scrapings
  • All of the above

Frage 23

Frage
Changes to evidence, such as contamination, can be prevented by handling evidence with:
Antworten
  • Latex gloves
  • Dry, bare hands
  • Disposable forcepts
  • A and C

Frage 24

Frage
Charred debris from an arson scene should be:
Antworten
  • Placed together with similar items in a paper bag
  • Placed in Ziploc® bags.
  • Packaged in airtight glass jars
  • Aired out before packing in plastic wrap

Frage 25

Frage
A victim's fingernail scrapings would be correctly packaged in:
Antworten
  • A druggist fold
  • A plastic Ziploc® bag
  • Sealed, airtight containers
  • Both b and c

Frage 26

Frage
The successful outcome of a criminal investigation is almost always directly related to:
Antworten
  • The manner in which the evidence is collected and preserved
  • The number of people employed in the crime lab
  • The volume of the physical evidence collected
  • Whether the crime is considered high-profile

Frage 27

Frage
A properly maintained chain or custody is NOT the responsibility of the:
Antworten
  • Crime scene processor
  • Evidence clerk
  • Forensic technician
  • Trial judge

Frage 28

Frage
Success in the recognition and collection of physical evidence is determined primarily by the:
Antworten
  • Notoriety of the case
  • Time available to the evidence collectors
  • Skills of personnel processing the crime scene
  • Type of evidence involved

Frage 29

Frage
The collection of standard reference samples at the crime scene is important because they:
Antworten
  • Permit comparisons to be made with the evidence
  • Are obtained only from suspects in cases of violent assault
  • Serve as a source of extra test material if required in the crime lab
  • All of the above

Frage 30

Frage
The presence of blood and semen at crime scenes exposes investigator to:
Antworten
  • Hepatitis B
  • AIDS
  • Both a and b
  • Neither a nor b

Frage 31

Frage
The removal of any evidence from a person or from the scene of crime must be done in a conformity with the privileges of which amendment to the Constitution?
Antworten
  • Sixth
  • Fourth
  • Fifth
  • First

Frage 32

Frage
The police are NOT required to obtain a search warrant if they are:
Antworten
  • Unable to locate a judge to issue a warrant
  • Certain their suspect is guilty
  • In the process of a legal arrest
  • Investigating the murder of a fellow officer

Frage 33

Frage
Which of the following is U.S. Supreme Court decision which dealt with the impropriety of the warrantless collection of physical evidence at a homicide scene?
Antworten
  • Mapp v. U.S
  • Frye v. U.S.
  • People v. Wilkens
  • Mincey v. Arizona

Frage 34

Frage
Which type of evidence must be packaged separately from other evidence?
Antworten
  • Biological stain evidence
  • DNA-containing evidence
  • Arson evidence
  • All of the above

Frage 35

Frage
Which of the following items is likely to contain DNA evidence?
Antworten
  • A self-adhesive mailing stamp
  • A bed sheet
  • A blue rug fiber
  • A glass fragment

Frage 36

Frage
The evidence collector must take extraordinary care to avoid potential contamination by transferring DNA onto objects of evidential value by:
Antworten
  • Reusing shoe covers
  • Packaging items containing potential DNA evidence in airtight bags
  • Wearing a face mask
  • Using the same pair of forceps to collect all evidence at the crime scene

Frage 37

Frage
The best way to guarantee that the evidence will withstand inquiries about what happened to it from the time of its finding to its presentation in court is to:
Antworten
  • Properly record the crime scene
  • Properly mark evidence for identification
  • Properly complete evidence submission forms
  • All of the above

Frage 38

Frage
When biological samples of unknown origin are discovered at a crime scene, investigators:
Antworten
  • Should assume no pathogens are present and treat the samples as such
  • Should allow only trained hazardous materials teams to handle the evidence
  • Should assume pathogens are present and treat the sample as such
  • Should package them in plastic bags

Frage 39

Frage
Special circumstances at a crime scene may require the use of the following for evidence collection, EXCEPT:
Antworten
  • Particle masks
  • Biohazard packages
  • Coveralls
  • All of the above may be required

Frage 40

Frage
“The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizure…” is provided for in the United States by the:
Antworten
  • Frye standard
  • Fourth Amendment
  • Declaration of Independence
  • Second Amendment

Frage 41

Frage
Warrantless searches are permitted under law in all of the following situations EXCEPT:
Antworten
  • The existence of emergency circumstances
  • The injury or death of a police officer or law enforcement employee
  • The consent of the parties involved
  • The need to prevent the immediate loss of evidence

Frage 42

Frage
The manner of collecting and reserving physical evidence at a crime scene is determined by:
Antworten
  • The circumstances of the crime
  • The importance of the case
  • The number of evidence collectors present at the crime scene
  • The nature of the evidence

Frage 43

Frage
Physical evidence may be obtained from
Antworten
  • The crime scene
  • The victim
  • The suspect
  • All of the above

Frage 44

Frage
All of the following ites may be placed in an airtight container EXCEPT:
Antworten
  • Charred debris recovered from a fire
  • Blood-stained clothing
  • Glass
  • Hairs and fibers

Frage 45

Frage
The evidence collector is NOT concerned with
Antworten
  • Maintaining the chain of custody
  • Utilizing the proper packaging material for evidence
  • Labeling evidence
  • Determining the natural variations that exist in physical evidence

Frage 46

Frage
The conditions at a crime scene can be compromised by all of the following action EXCEPT
Antworten
  • Taking photographs at the crime scene
  • Eating food at the crime scene
  • Turning on a faucet on the crime scene
  • Smoking at the crime scene

Frage 47

Frage
The initial survey of the crime scene carried out by the lead investigator is called:
Antworten
  • The spiral search
  • The initial survey
  • The walk-through
  • The crime scene search

Frage 48

Frage
Which crime scene search pattern does NOT require more than one invesigator
Antworten
  • Wheel
  • Line
  • Grid
  • Zone

Frage 49

Frage
What is a disadvantage to the spiral search pattern
Antworten
  • Evidence could be missed
  • It requires several investigators
  • It does not work for outdoors scenes
  • It is dependent on the boundaries of the scene

Frage 50

Frage
The center of the crime scene, which is always included within the crime scene's boundary, is:
Antworten
  • The area where the first responder entered the scene
  • The area where the witnesses were located
  • The area where the command center will be located
  • The area where the crime occurred

Frage 51

Frage
Evidence commonly located during a vehicle search includes all of the following EXCEPT:
Antworten
  • Questioned documents
  • Fibers
  • Paint evidence
  • Broken glass

Frage 52

Frage
To formulate a successful strategy for recovering relevant physical evidence at crime scenes, the investigator must ultimately rely on:
Antworten
  • Reference material
  • Experience
  • Training
  • The lead investigator

Frage 53

Frage
The search pattern in which one or two investigators starts at the boundary at one end of the scene and walk straight across to the other side is:
Antworten
  • Line
  • Grid
  • Quadrant
  • Wheel

Frage 54

Frage
The search pattern that employs two people performing line searches that originate from adjacent corners is:
Antworten
  • Line
  • Grid
  • Spiral
  • Wheel

Frage 55

Frage
Which search pattern employs several people moving from the boundary straight toward the center of the scene (inward) or from the center straight to the boundary(outward)?
Antworten
  • Quadrant
  • Grid
  • Spiral
  • Wheel

Frage 56

Frage
It is permissible for officers at the scene to:
Antworten
  • Eat
  • Drink
  • Smoke
  • None of the above

Frage 57

Frage
Which search pattern is more reliant on the boundaries established?
Antworten
  • Line
  • Spiral
  • Wheel
  • Quadrant

Frage 58

Frage
Officers should attempt to locate tool marks at the point of entry during the investigation of a:
Antworten
  • Homicide
  • Burglary
  • Hit and run
  • Assault

Frage 59

Frage
The location of an item of evidence on a crime scene sketch is shown by its distance from points of reference that:
Antworten
  • Are fixed or immovable
  • Are within ten feet of the item
  • Are located outside the boundaries of the crime scene
  • Can be transported to the crime laboratory

Frage 60

Frage
At an arson scene, the collection of a substrate control would require the arson investigator to:
Antworten
  • Collect a sample from the center of a potential accelerate stain
  • Collect samples of surface material from areas far away from the fire's origin.
  • Collect a piece of the surface material near the fire's origin that he or she believes was not exposed to the accelerant
  • Collect a sample of the vapors at the fire origin

Frage 61

Frage
Success in the recognition and collection of physical evidence is determined primarily by the:
Antworten
  • Notoriety of the case
  • Time available to the evidence collector
  • Skill of personnel processing the crime scene
  • Type of evidence involved
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