INV104 Flashcards

Test Questions

1
Q

In a forensic sense, what does persistence mean?

A

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

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2
Q

Facebook account, CCTV camera and a USB stick are examples of what type of evidential material?

A

Intangible

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3
Q

Image library in a cellphone and a locked iphone are examples of what type of evidential material?

A

Tangible

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4
Q

Impression can be left by…

A

Sole of a shoe, a finger or palm print, tool used as a lever.

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5
Q

Elimination samples are taken from…

A

People who had legitimate contact with the scene or an exhibit

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6
Q

Transfer occurs when…

A

Victim and offender are not separated during initial action, same transporting vehicle for victim and offender, offender is present in scene prior to the incident.

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7
Q

What type of evidence are glass fragments?

A

Physical

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8
Q

What type of evidence is blood

A

Biological

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9
Q

What type of evidence is semen

A

Biological

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10
Q

What type of evidence are paint flakes

A

Physical

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11
Q

DNA is known to deteriorate under what conditions?

A

Exposed to extreme weather conditions and when packaging creates conditions that cause it to degrade.

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12
Q

Chain of evidence is….

A

The official record of exhibit collection, security and movement.

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13
Q

Sequence of events prior to uplifting an exhibit..

A

Record (sketch), notebook, gloves to uplift, seal etc.

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14
Q

Safety precautions when uplifting such things as blood…

A

Double glove, discard after use and package securely with biohazard warning.

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15
Q

When packaging an exhibit in windowed paper, you must….

A

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

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16
Q

A package to be forward for analysis should…

A

Be sealed by the collector at the time of collection and be accompanied by a POL 143

17
Q

Because deleted images can be easily removed from digital cameras, guidelines state…

A

Digital cameras are assigned to a named position or employee

18
Q

An exhibit that us wet should be promptly package etc to avoid further deterioration…

A

False

19
Q

Digital imaging guidelines direct digital images to be produced as evidence must…

A

Be validated, be secured in a master “read only” copy and be downloaded on a police secure computer

20
Q

In regards to the hot zone the o/c scene is to…

A

Brief examiners on the search strategy and establish a transition for hot zone protection.

21
Q

Full protective clothing must be worn by anyone who..

A

Transitions from the warm to hot zone, examine exhibit found in hot zone and entering hot zone by way of stepping plates

22
Q

Common approach path to and from the crime scene is to establish…

A

Control access to the scene to prevent contamination

23
Q

Adopting a search pattern assists to….

A

Examine the scene in a thorough and controlled manner.

24
Q

Exhibit schedule prepaid for court contains..

A

Photographs and DVD interview discs and the identification number allocated to each exhibit

25
Q

Scene logs are essential because they….

A

Are an essential component of chain of evidence, verify the the use of elimination prints and are a component of safe systems for managing crime scenes.

26
Q

Things that take place in the headquarters of the cold zone…

A

Logbook recording and the scene search strategy is communicated.

27
Q

The warm zone is partly designed to provide an area for

A

Collecting, recording and securing the exhibit collection

28
Q

Scene examination strategy records…

A

Management strategies, procedures followed and outcomes achieved at the scene examination

29
Q

Why is the decontamination zone model used at a scene of a major crime?

A

The scene will contain both biological and physical evidence.

30
Q

Stepping plates are used in in hot zone because they can…

A

Be easily placed repositioned, direct examiners to a pathway through the scene, be easily cleaned and can be reused.

31
Q

Purpose of reconnaissance?

A

Preliminary survey, purposeful assessment, plan for action and encompasses a four step appreciation.

32
Q

Scene log are an essential component of…

A

Chain of evidence

33
Q

Exhibit officer responsibilities

A

Label on each exhibit is complete
Maintaining log of exhibit movement
Package is sealed and signed

34
Q

A crime scene subject to scrutiny

A

Shopkeeper of a serious assault
Where suspect located
Getaway car

35
Q

Protective clothing not required when….

A

Processing the exhibit collection in the warm zone

36
Q

What to do with a cellphone which is turned on at a crime scene

A

Leave it on and contact ecl

37
Q

Minimum standards for DNA collection

A

Gloves and masks

Handle one item a a time

38
Q

Purpose of preliminary interview at serious crime scene

A

Gather information for handover

Obtain particulars and details

39
Q

Establishing a common approach path is the responsibility of initial action team

A

True