104

Question 1

In a forensic scene, what does persistence refer to

Answer 1

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

Question 2

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

Answer 2

True

Question 3

Can impressions be left by…

Drops of saliva and semen

Tools used as lever

A finger or palm print

Sole of shoe

Answer 3

No

Yes

Yes

Yes

Question 4

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

Answer 4

True

True

False

False

Question 5

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

Answer 5

Contamination

Transfer

Evidential integrity

Deterioration

Question 6

Classify can’t main types of evidence

Blood

Paint flakes

Semen

Glass fragments

Answer 6

Biological

Physical

Biological

Physical

Question 7

Chains of evidence refers to

Answer 7

Official record of exhibit collection, security and movement

Question 8

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

Answer 8

True

True

True

False

Question 9

Tangible item that could be evidential material

Answer 9

A locked iPhone

Question 10

Intangible evidential material example

Answer 10

Facebook account

Question 10

Entomology is the science of studying

Answer 10

Insects

Question 11

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

Answer 11

False

Question 12

Scenario eg of secondary transfer between

Answer 12

Woman and male B

Question 13

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

Answer 13

False

Question 14

Material can be contaminated when

Exhibits repeatably handled

Searcher leave traces on an exhibit

Scene equipment not cleaned

People and animals enter scene

Answer 14

All true

Question 15

The golden hour concept refers to the time when

Answer 15

Evidential material is more readily available at a crime scene

Question 16

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

Answer 16

Yes

No

Yes

Yes

Question 17

Elimination samples are

Answer 17

Taken from people who had legitimate contact with scene or exhibit

Question 18

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

Answer 18

True

True

False

False

Question 19

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

Answer 19

True

False

True

True

Question 20

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

Answer 20

True

False

True

True

Question 21

S29 offence and victim going to hospital

Officer should accompany the victim to ensure

Answer 21

Clothing is collected and preserved for exhibit collection

Question 22

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

Answer 22

Survey the scene to establish the action required at the scene

Question 23

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

Answer 23

True

True

False

True

Question 24

Preliminary interview with suspicious male near scene of serious crime

Answer 24

Make notebook entry of this details and his demeanour

Question 25

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

Answer 25

Ensure the crash scene is safe as possible

Question 26

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

Answer 26

False True False True

Question 27

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

Answer 27

Cannot be protected from the elements and will deteriorate

Question 28

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

Answer 28

True True True False

Question 29

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

Answer 29

Won't or similar Won't Can Should

Question 30

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

Answer 30

Digital camera are assigned to a named position or employee

Question 31

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

Answer 31

False True False True

Question 32

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

Answer 32

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

Question 33

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

Answer 33

False

Question 34

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

Answer 34

True True True False

Question 35

Identify correct sequence for exhibits

Answer 35

Record the exhibit in situ Make a notebook record Use disposable gloves to uplift package Seal, label and secure

Question 36

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

Answer 36

True

Question 37

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

Answer 37

True

Question 38

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

Answer 38

False True True True

Question 39

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

Answer 39

True True True False

Question 40

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

Answer 40

True True False True

Question 41

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

Answer 41

Package Log Label Collection

Question 42

Adopt a search pattern assets to

Answer 42

Examine the end in a thorough and controlled manner

Question 43

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

Answer 43

True

Question 44

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

Answer 44

True True True False

Question 45

What isn't responsibly of OC exhibits

Answer 45

Establish the relevance of the exhibit to the enquires

Question 46

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

Answer 46

True False True True

Question 47

What situation would most likely lead to cross contamination

Answer 47

When scene equipment is reused without cleaning

Question 48

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

Answer 48

Control access to the scene to prevent contamination

Question 49

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

Answer 49

False True True False