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CIK100 > INV104 > Flashcards

INV104 Flashcards

1
Q

What could provide intangible evidence

A

Facebook account
Memory stick
CCTV footage

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2
Q

Evidence contamination may occur when

  1. Crime scene lacks clear boundaries
  2. Material collected cannot be linked to inv
  3. Bio material inadvertently added to an exhibit
  4. Examiner wears same gloves to uplift different exhibits
A
  1. True
  2. False
  3. True
  4. True
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3
Q

Chain of evidence refers to

A

Official record of exhibit collection, security and movement

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4
Q

Elimination samples are taken from..

A

People not under investigation but who may come into legitimate contact with the crime scene

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5
Q

A tangible item that could be evidential material is

A

a locked iphone

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6
Q

Match the forensic concept with following:

  1. movement of exhibits is not recorded
  2. crime scene is dowsed in rainfall
  3. offender is taken back into the scene for interview
  4. many people enter and leave the scene
A
  1. evidential integrity
  2. deterioration
  3. transfer
  4. contamination
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7
Q

DNA or blood samples are known to deteriorate under which of the following conditions:

  1. packaging creates conditions that cause it to degrade
  2. exposure to extremes of weather conditions
  3. handled without gloves or masks
  4. when its exited the body for up to 2 hours
A
  1. true
  2. true
  3. false
  4. false
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8
Q

in a forensic sense what does “persistence” refer to

A

the length of time biological material can be detected following a crime

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9
Q

classify following evidence:

  1. Blood
  2. paint flakes
  3. semen
  4. glass fragments
A
  1. biological
  2. physical
  3. biological
  4. physical
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10
Q

Impressions can be left by

A

sole of shoe
tool used as a lever
finger/palm print

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11
Q

True or False

  1. trace evidence cannot be seen by the human eye
  2. trace evidence may be biological or physical
  3. trace evidence may only be seen by specialist forensic personnel
  4. trace evidence is usually found in particles or small fragments
A
  1. false
  2. true
  3. false
  4. true
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12
Q

evidence is only relevant to an investigation if it has a tendency to prove anything that is of consequence to the case

A

false

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13
Q

the relevance of forensic evidence is reliant on what people say or do

A

false

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14
Q

a woman dances with male A. Red fibres from his jersey are transferred onto the womans top. The woman then dances with another man male B and some of the red fibres are transferred to the shirt of male B.

The scenario is an example of secondary transfer between?

A

the woman and male B

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15
Q

Contamination may occur when:

  1. exhibits are not correctly packaged or sealed
  2. forensic material is exposed to rain or sunshine
  3. forensic material is added to an exhibit post incident
  4. equipment has not been correctly cleaned
A
  1. true
  2. false
  3. true
  4. true
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16
Q

material collected at a crime scene can be contaminated when:

  1. a scene searcher leaves traces on an exhibit
  2. exhibits are repeatedly handled before packaging
  3. people or animals have entered the scene
  4. scene equipment is not cleaned before use
A
  1. true
  2. true
  3. true
  4. true
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17
Q

are the following examples of transfer:

  1. victim and offender are not separated during initial action
  2. offender is present in the scene prior to incident
  3. one vehicle is used to transport both victim and offender
  4. when professional medical assistance is given to the victim at the scene
A
  1. yes
  2. yes
  3. yes
  4. no
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18
Q

the golden hour refers to the time when

A

forensic evidence is more readily available at the crime scene

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19
Q

entomology is the science of studying

A

insects

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20
Q

elimination samples are

A

taken from people who had legitimate contact with the scene or exhibit

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21
Q

initial action guidelines instruct that when setting the parameters at a crime scene you should:

  1. use emergency tape to establish cordons
  2. extend parameters as widely as possible to capture exhibits the suspect may have discarded
  3. arrange and brief scene guards with clearly defined duties
  4. cordon only the area where the incident occurred
A
  1. true
  2. true
  3. true
  4. false
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22
Q

the initial action party must not move any items in a serious crime scene unless it

A

is affected by the weather and cannot be protected

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23
Q

if you are a member of an initial action team at the scene of a suspicious death you must secure the scene and…

A

make sure you do not touch or move the body under any circumstances

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24
Q

an immediate statement taken in circumstances where you believe the victim may die…

A

may be admissible even if it is not signed

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25
Q

the briefing and handover to the OC of the initial incident must include information about:

  1. whats been done
  2. what action has been taken
  3. what needs to be done
  4. what has occurred
A
  1. true
  2. true
  3. true
  4. true
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26
Q

establishing a common approach path into the scene of a serious crime is the responsibility of the initial action party

A

true

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27
Q

the initial response team must prevent post incident cross contamination between witnesses, victims and suspects by considering:

  1. taking physical evidence samples from witnesses at the scene
  2. transporting the victim and suspect in different vehicles
  3. taking photos of the victims injuries as soon as possible
  4. using separate interview rooms for victim and suspect
A
  1. true
  2. true
  3. false
  4. true
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28
Q

the first priority of staff arriving at the scene of a serious crime is…

A

the safety of attending police officers

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29
Q

when a victim of a s29 victims rights act 2002 offence is transported to hospital, an officer should accompany the victim to ensure…

A

their clothing is collected and preserved for the exhibits collection

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30
Q

the OC initial action party could decide to immediately uplift an item from a scene of a serious crime when the item…

A

cannot be protected from the elements and will deteriorate

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31
Q

prompt initial action leads to the apprehension of a male who is acting suspiciously, your preliminary interview should include…

A

notebook entry of his details and his demeanour

32
Q

the purpose of an initial reconnaissance by the first officers on scene is to..

A

survey the scene to establish the action required to secure

33
Q

en route to the scene of a serious crime the initial action team must formulate a plan for scene entry that:

  1. avoids any known suspect path from scene
  2. considers factors that may effect scene preservation
  3. prioritises locating the suspect above all else
  4. delegates responsibilities for action
A
  1. true
  2. true
  3. false
  4. true
34
Q

serious crime initial action procedures aim to prevent the primary transfer of forensic material between victim and suspect through directing that:

  1. interviews are conducted in different rooms
  2. scene guards are appointed to take care of each separately
  3. victim and suspect are separated at the scene
  4. victim and suspect are not to be transported in same vehicle
A
  1. true
  2. false
  3. true
  4. true
35
Q

your first on scene at a serious crash where 2 people are injured and trapped, your first duty is to…

A

ensure the crash scene is as safe as possible

36
Q

the purpose of the preliminary interview with the witness at the scene of a serious crime is to:

  1. gather info for your handover briefing
  2. ascertain their legal reason to be at the scene
  3. obtain their identity particulars and contact details
  4. ascertain who needs to be separated and kept apart
A
  1. true
  2. true
  3. true
  4. false
37
Q

during a crime scene examination you find a small amount of a dry substance in a jar. to determine if it is to be collected for analysis you can:

A

examine it with gloved hands

38
Q

when a window frame at a crime scene shows signs of tool marks to force entry it is important to:

  1. try fitting a tool into the mark to confirm it as means of entry
  2. take control samples of paint or window from the surrounding area
  3. photograph the impression or mark in full light prior to collecting as evidence
  4. remove the entire damaged area for forensic examination
A
  1. false
  2. true
  3. true
  4. true
39
Q

DNA analysis can destroy the forensic evidence required for fingerprint examination

A

true

40
Q

when packaging documents that are to be forwarded to the document examiner you should

  1. enclose documents package between _____ of card
  2. complete _____ before attaching to the exhibit package
  3. unfold dry _____ and package flat in plastic sleeve or envelope
  4. include warning ______ on labels if the document is also required for fingerprinting
A
  1. sheets
  2. labels
  3. papers
  4. notes
41
Q

to avoid loss or contamination, small quantities of powders found at scene must be packaged in self sealing plastic bags inside a standard drugs envelope…

A

true

42
Q

the basic rule for electronic equipment at a crime scene is “if its off, leave it off, if its on, leave it on”

A

true

43
Q

when a cell phone is found at scene, turning it off or letting the battery run flat is advisable

A

false

44
Q

the minimum standards governing collection of any item/exhibit that is likely to be submitted for DNA forensic analysis are:

A

handle one evidential item at a time

gloves and masks should be worn

45
Q

during scene examination you find a cell phone, it is turned on. how do you uplift it

A

leave it switched on
uplift it
contact ECL for advice

46
Q

fingerprint officers should be called to homicide scenes because latent fingerprints in blood and other contaminants on a body can be destroyed when body is moved

A

true

47
Q

because deleted images can easily be recovered from digital cameras, the guidelines direct…

A

digita; cameras are assigned to a named position or employee

48
Q

an exhibit package that is to be forwarded for analysis:

  1. must be accompanied by a pol143
  2. must be labelled to prevent contamination
  3. may hold several items of evidence from the scene
  4. must be sealed by the collector at the time of collection
A
  1. true
  2. false
  3. false
  4. true
49
Q

when uplifting blood or body fluids, and to ensure evidence contaminated with blood is safe for forensic examination and court you should:

  1. cover any abrasions on hands and use double gloves
  2. discard used gloves and clothing in a biohazard container
  3. package exhibits securely and label with biohazard warning
  4. package wet materials holding blood or body fluids promptly
A
  1. true
  2. true
  3. true
  4. false
50
Q

an exhibit collected for the forensic evidence it holds should be uplifted, packaged and examined only by people wearing gloves and protective clothing..

A

true

51
Q

when packaging an exhibit in a windowed paper bag or kleensak you must…

A

fold 2 or 3 times over the top and seal with tape

52
Q

an exhibit that is wet should be promptly packaged, sealed and labelled to avoid further deterioration

A

false

53
Q

scene records including photographs, sketches, drawings and notebook entries must be completed prior to searching for and uplifting any material from the crime scene

A

true

54
Q

the digital imaging guidelines direct that any digital image that is to be produced as evidence must:

  1. be validated by image numbering and their taker
  2. have been downloaded to a police secure computer
  3. have been taken by a person trained in photography
  4. be secured in a master read only format
A
  1. true
  2. true
  3. false
  4. true
55
Q

full protective gear consisting of overalls, gloves and foot coverings must be worn by anyone:

  1. examining an exhibit found in the hot zone
  2. transitioning from the warm zone to hot zone
  3. processing the exhibit collection in the warm zone
  4. entering hot zone by way of hot plates
A
  1. true
  2. true
  3. false
  4. true
56
Q

an exhibit schedule produced for the court contains records of:

  1. only those exhibits collected at the crime scene
  2. photographs/video and dvd interview tapes
  3. all material gathered for forensic analysis
  4. the i.d number allocated to each exhibit
A
  1. false
  2. true
  3. false
  4. true
57
Q

OC scene must minimise risk of contamination of material collected by ensuring persons working in the crime scene:

  1. use gloves to remove and package any exhibit
  2. are directly briefed about the zonal requirements
  3. work with haste to package and remove exhibits
  4. package exhibits in clean and dry containers
A
  1. true
  2. true
  3. false
  4. true
58
Q

which of the following types of evidence can be instrumental in establishing M.O of a crime:

  1. where and when the offence occurred
  2. when fingerprints provide positive i.d
  3. what property was removed or damaged
  4. how offender entered scene
A
  1. true
  2. false
  3. true
  4. true
59
Q

a search is part of most crime scene examinations, adopting a search pattern assists to…

A

ensure scene is examined in a thorough and controlled manner and use staff efficiently to maximise the material collection

60
Q

the definition of a crime scene is any place the offender has been in relation to a crime. scene and place cover many interpretations. which of the following examples fit into the definition of a crime scene and so be subject to forensic scrutiny:

  1. suspect located soon after the incident
  2. vehicle that has been used as a getaway car
  3. a shopkeeper who is the victim of a serious assault
  4. police interview record of a suspects confession
A
  1. true
  2. true
  3. true
  4. false
61
Q

a reconstruction is a theory about what took place in a given area over a relevant period of time and how it is likely to have happened

A

true

62
Q

in relation to the definition of a crime scene, what situation is most likely to lead to cross contamination

A

scene equipment being re-used without cleaning

63
Q

which is not the responsibility of an exhibits officer…

A

establishing the relevance of the exhibit to the enquiry

64
Q

procedures for managing the hot zone at a serious crime direct the OC scene to:

  1. brief examiners on search strategy
  2. establish transition area for hot zone protection
  3. display instructions about protective clothing
  4. place guards to monitor hot zone entry and exit
A
  1. true
  2. true
  3. true
  4. false
65
Q

a common approach path to and from the crime scene is established to

A

control access to the scene and prevent contamination

66
Q

a careful search is conducted as part of most serious crime scene examinations. which search matches the description:

  1. when a pattern of same size squares overlays scene and each square is examined
  2. when scene is divided into completely separate areas
  3. when scene is divided by evenly spaced parallel lines and examiners move in one direction
  4. when the search begins from the centre and moves through concentric circles
A
  1. grid
  2. zone
  3. lane
  4. spiral
67
Q

which of the following actions take place at the scene headquarters/cold zone:

  1. scene search strategy is communicated
  2. scene examiners discard protective clothing
  3. logbook records of all staff movements are kept
  4. scene exhibits are packaged, sealed, sorted and stored
A
  1. true
  2. false
  3. true
  4. false
68
Q

to manage serious crime scene, OC scene will place guards on the perimeter and direct them to:

  1. keep notebook records of all movements near the scene
  2. give general response to public or media enquiries
  3. prevent all unauthorised access into the scene
  4. be alert to circumstances that may cause contamination
A
  1. true
  2. false
  3. true
  4. true
69
Q

what is the purpose of a reconnaissance by the OC scene:

  1. a reconnaissance is the preliminary _____ of the crime scene
  2. a reconnaissance encompasses a four step _____
  3. the outcome of a reconnaissance by the OC scene is a plan for ______
  4. a reconnaissance includes a deliberate and purposeful ______ of the scene
A
  1. survey
  2. appreciation
  3. action
  4. assesment
70
Q

the warm zone is partly designed to provide an area for…

A

the collection, security and recording of the exhibit collection

71
Q

a plan for strategy for scene examination at the location of a serious crime is the responsibility of the OC scene. When communicating a scene examination strategy the OC scene must instruct:

  1. the search ____ for the scene examination
  2. how the ____ examination will be conducted
  3. when and where scene ____ will occur
  4. how scene ____ is to be managed
A
  1. pattern
  2. forensic
  3. briefings
  4. security
72
Q

scene examination is a documented report providing overview record of the management strategies, procedures followed and outcomes achieved at the scene examination phase

A

true

73
Q

stepping plates are used in the hot zone of a major crime scene because they can:

  1. be easily placed and repositioned in the scene
  2. conceal evidence embedded in the scene
  3. direct examiners to a pathway through the scene
  4. be easily cleaned and can be re-used
A
  1. true
  2. false
  3. true
  4. true
74
Q

the zone model provides a structured approach to the management of serious crime scene examinations. zoning helps to:

  1. establish set procedures for evidence _____
  2. control _____ to the crime scene
  3. avoid _____ of the scene and exhibits
  4. maintain an appropriate _____ of safety
A
  1. protection
  2. access
  3. contamination
  4. standard
75
Q

scene logs of people are important because they:

  1. essential to the chain of evidence
  2. show how secondary transfer occurs when exhibits are collected
  3. verify the use of elimination samples
  4. are a component of safe systems for managing crime
A
  1. true
  2. false
  3. true
  4. true
76
Q

the OC initial action party is responsible for effectively briefing and conducting handover to an OC scene on their arrival at the scene. what info is essential to the integrity of the crime scene investigation

A

details of any post incident movement in the crime scene

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