INV104 Flashcards
Test Questions
In a forensic sense, what does persistence mean?
The length of time biological material can be detected following a crime.
Facebook account, CCTV camera and a USB stick are examples of what type of evidential material?
Intangible
Image library in a cellphone and a locked iphone are examples of what type of evidential material?
Tangible
Impression can be left by…
Sole of a shoe, a finger or palm print, tool used as a lever.
Elimination samples are taken from…
People who had legitimate contact with the scene or an exhibit
Transfer occurs when…
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.
What type of evidence are glass fragments?
Physical
What type of evidence is blood
Biological
What type of evidence is semen
Biological
What type of evidence are paint flakes
Physical
DNA is known to deteriorate under what conditions?
Exposed to extreme weather conditions and when packaging creates conditions that cause it to degrade.
Chain of evidence is….
The official record of exhibit collection, security and movement.
Sequence of events prior to uplifting an exhibit..
Record (sketch), notebook, gloves to uplift, seal etc.
Safety precautions when uplifting such things as blood…
Double glove, discard after use and package securely with biohazard warning.
When packaging an exhibit in windowed paper, you must….
Fold over the top of the bag 2-3 times and seal with tape.
A package to be forward for analysis should…
Be sealed by the collector at the time of collection and be accompanied by a POL 143
Because deleted images can be easily removed from digital cameras, guidelines state…
Digital cameras are assigned to a named position or employee
An exhibit that us wet should be promptly package etc to avoid further deterioration…
False
Digital imaging guidelines direct digital images to be produced as evidence must…
Be validated, be secured in a master “read only” copy and be downloaded on a police secure computer
In regards to the hot zone the o/c scene is to…
Brief examiners on the search strategy and establish a transition for hot zone protection.
Full protective clothing must be worn by anyone who..
Transitions from the warm to hot zone, examine exhibit found in hot zone and entering hot zone by way of stepping plates
Common approach path to and from the crime scene is to establish…
Control access to the scene to prevent contamination
Adopting a search pattern assists to….
Examine the scene in a thorough and controlled manner.
Exhibit schedule prepaid for court contains..
Photographs and DVD interview discs and the identification number allocated to each exhibit
Scene logs are essential because they….
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.
Things that take place in the headquarters of the cold zone…
Logbook recording and the scene search strategy is communicated.
The warm zone is partly designed to provide an area for
Collecting, recording and securing the exhibit collection
Scene examination strategy records…
Management strategies, procedures followed and outcomes achieved at the scene examination
Why is the decontamination zone model used at a scene of a major crime?
The scene will contain both biological and physical evidence.
Stepping plates are used in in hot zone because they can…
Be easily placed repositioned, direct examiners to a pathway through the scene, be easily cleaned and can be reused.
Purpose of reconnaissance?
Preliminary survey, purposeful assessment, plan for action and encompasses a four step appreciation.
Scene log are an essential component of…
Chain of evidence
Exhibit officer responsibilities
Label on each exhibit is complete
Maintaining log of exhibit movement
Package is sealed and signed
A crime scene subject to scrutiny
Shopkeeper of a serious assault
Where suspect located
Getaway car
Protective clothing not required when….
Processing the exhibit collection in the warm zone
What to do with a cellphone which is turned on at a crime scene
Leave it on and contact ecl
Minimum standards for DNA collection
Gloves and masks
Handle one item a a time
Purpose of preliminary interview at serious crime scene
Gather information for handover
Obtain particulars and details
Establishing a common approach path is the responsibility of initial action team
True
