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INV > 104 > Flashcards

104 Flashcards

1
Q

In a forensic scene, what does persistence refer to

A

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

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2
Q

Elimination samples refer to samples taken from people who are not under investigation for the offence but may come into leg image contact with crime scene

A

True

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3
Q

Can impressions be left by…

Drops of saliva and semen

Tools used as lever

A finger or palm print

Sole of shoe

A

No

Yes

Yes

Yes

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4
Q

DNA is known to deteriorate under which of the following conditions

Packaging creates conditions that cause degrade

Exposed to extreme weather conditions

Handing without gloves

Exited body for up to two hours

A

True

True

False

False

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5
Q

Evidence maybe affected when…

Many people enter and leave scene

Offender taken back to scene for interview

Movement exhibits not recorded

Doused in continuous rainfall

A

Contamination

Transfer

Evidential integrity

Deterioration

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6
Q

Classify can’t main types of evidence

Blood

Paint flakes

Semen

Glass fragments

A

Biological

Physical

Biological

Physical

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7
Q

Chains of evidence refers to

A

Official record of exhibit collection, security and movement

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8
Q

Evidence contamination may occur…

Lacks clear boundaries and pathways

Same gloves uplift different exhibits

Biological material inadvertently added to exhibit

Material cannot be linked to investigation

A

True

True

True

False

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9
Q

Tangible item that could be evidential material

A

A locked iPhone

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10
Q

Intangible evidential material example

A

Facebook account

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10
Q

Entomology is the science of studying

A

Insects

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11
Q

The relevance of forensic evidence is reliant upon what people say or do

A

False

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12
Q

Scenario eg of secondary transfer between

A

Woman and male B

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13
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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14
Q

Material can be contaminated when

Exhibits repeatably handled

Searcher leave traces on an exhibit

Scene equipment not cleaned

People and animals enter scene

A

All true

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15
Q

The golden hour concept refers to the time when

A

Evidential material is more readily available at a crime scene

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16
Q

Situation describe transfer between victim and offender may occur

Offender is present in scene prior to incident

Professional medical assistance given to victim

One vehicle used to transport victim and offender

When victim and offender not separated for initial interview

A

Yes

No

Yes

Yes

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17
Q

Elimination samples are

A

Taken from people who had legitimate contact with scene or exhibit

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18
Q

Trace evidence

Maybe biological of physical nature

Usually found in fragments or small pieces

Cannot be seen with human eye

May only be seen by specialist forensic personnel

A

True

True

False

False

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19
Q

Contamination may occur when

Forensic material added to exhibit post incident

Exposed to rain or sunshine

Not correctly packaged or secured

Equipment used not properly cleaned

A

True

False

True

True

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20
Q

Preventing transfer forensic material by

Victim and suspect not transported in the same vehicle

Scene guards appointed to take car of witness and suspect

Victim and suspect separated at scene and kept apart

Interviews conducted different rooms

A

True

False

True

True

21
Q

S29 offence and victim going to hospital

Officer should accompany the victim to ensure

A

Clothing is collected and preserved for exhibit collection

22
Q

Initial reconnaissance by first on scene officers at serious crime is to

A

Survey the scene to establish the action required at the scene

23
Q

Initial action team must formulate a plan for scene entry that

Avoids known suspect path from the scene

Delegates responsibilities between them

Priorities locating suspect above all else

Consider factors that may affect scene preservation

A

True

True

False

True

24
Q

Preliminary interview with suspicious male near scene of serious crime

A

Make notebook entry of this details and his demeanour

25
Q

I car first on scene to serious crash. Constables first duties is to

A

Ensure the crash scene is safe as possible

26
Q

Purpose prelim interview with witness at a scene is

Ascertain legal reason to be at scene

Gather information for your handover briefing

Ascertain who needs to be separated and kept apart

Obtain identifying particulars and contact details

A

False

True

False

True

27
Q

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

A

Cannot be protected from the elements and will deteriorate

28
Q

Blood and Bodily Fluid

Cover abrasions on hands and use double gloves

Package exhibits securely and label biohazard warning

Discard gloves in biohazard container

Package wet materials holding blood of bodily fluids promply

A

True

True

True

False

29
Q

Reformatting a digital camera ____ remove images

Deleted images in a digital camera _____ remove the images

Delete images ____ be retrieved from the memory card

Digital images taken at a crime scene ____ be taken on approved camera

A

Won’t or similar

Won’t

Can

Should

30
Q

Because deleted images can very easily be recovered from digital camera the guidelines direct

A

Digital camera are assigned to a named position or employee

31
Q

Exhibit packaged and forwarded for analysis

May hold several items of evidence

Must be sealed by collected at the time of collection

Must be labelled to prevent contamination

Must be accompanied by completed POL143

A

False

True

False

True

32
Q

When packaging an exhibit in windowed paper bag or kleensak you must

A

Fold over the top of the bag 2-3 times and deal with tape

33
Q

An exhibit that is wet should be prompley packaged sealed and labelled to avoid further deterioration

A

False

34
Q

Digital images produced as exhibit

Be secured in a master copy read only format

Have been downloaded to police computer

Be validated by image numbering and the taker

Have been taken by trained person

A

True

True

True

False

35
Q

Identify correct sequence for exhibits

A

Record the exhibit in situ

Make a notebook record

Use disposable gloves to uplift package

Seal, label and secure

36
Q

Exhibit should be uplifted, packaged and examined only by people wearing gloves and protective clothing

A

True

37
Q

Sketches, notebooks, drawings must be completed prior to searching and uplifting material

A

True

38
Q

What can establish MO at a crime scene

Fingerprints provide positive ID

How offender entered scene

What property removed or damaged

When and where offence occurred

A

False

True

True

True

39
Q

What maybe subject to forensic scrutiny in serious crime.

Vehicle used as getaway car

Suspect located soon after incident

Shopkeeper who is victim of serious assault

Police interview

A

True

True

True

False

40
Q

Managing hot zone

Display instructions about protective clothing

Establish transaction area from hot zone protection

Place guards to monitor hot zone entry and exit

Brief examiners on search strategy

A

True

True

False

True

41
Q

OC exhibits responsibilities include

Checking an exhibit ____ is sealed and signed

Maintain a ____ of exhibit movement

Checking the _____ on each exhibit is complete

Checking the _____ is safety secured

A

Package

Log

Label

Collection

42
Q

Adopt a search pattern assets to

A

Examine the end in a thorough and controlled manner

43
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

44
Q

Persons working in serious crime scene

Are directly briefed about zonal requirements

Use gloves to remove and package exhibits

Package exhibits in clean and dry containers

Work with haste to package and remove exhibits

A

True

True

True

False

45
Q

What isn’t responsibly of OC exhibits

A

Establish the relevance of the exhibit to the enquires

46
Q

Full protective clothing must be worn by anyone…

Examining exhibit found in the hot zone

Processing and exhibit collection in warm zone

Transitioning from warm to hot zone

Extending hot zone by way of stepping plates

A

True

False

True

True

47
Q

What situation would most likely lead to cross contamination

A

When scene equipment is reused without cleaning

48
Q

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

A

Control access to the scene to prevent contamination

49
Q

An exhibit schedule produced for court contains records

All material gathered for forensic analysis

Identification number allocated to each exhibit

Photographs and video

Only those exhibits collected at the crime scene

A

False

True

True

False

INV (5 decks)

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