Forensic Awareness

Question 1

Classify the following common types of evidence.

Answer 1

Semen : biological

Blood: biological

Glass fragments : physical

Paint flakes: physical

Question 2

Select the forensic concept that best describes how the collection of forensic evidence may be affected when:

Answer 2

The crime scene is crowed in continuous rainfall. Deterioration.

Many people enter and leave the scene. Contamination.

The movement of exhibits is not recorded. Evidential integrity.

The offender is taken back to the scene for interview. Transfer.

Question 3

Chain of evidence refers to

Select one.

Answer 3

The official record of exhibit collection, security and movement.

Question 4

Can an impression be left by.

Answer 4

The Sole of a boot or shoe. Yes.

Drops of saliva or semen. No.

A finger palm or print. Yes.

A tool used as a lever. Yes.

Question 5

DNA (blood sample) is known to deteriorate under which if the following conditions.

Answer 5

When exposed to extremes if weather conditions. True.

When packaging creates conditions that cause it to degrade. True.

When handled without gloves or masks. False.

When it has exited the body for up to two hours. False

Question 6

Evidential material, in relation to a particular offence, means evidence of the offence or any other item, tangible or intangible, of relevance to the investigation of the offence.

A tangible item that could be evidential material is.

Select one.

Answer 6

A locked iPhone,

Question 7

Evidence contamination may occur when.

Answer 7

When the material, collected cannot be linked to her investigation. False.

An examiner wears the same gloves to uplift different exhibits. True.

Biological material is inadvertently added to an exhibit. True.

A rime scene lacks clear boundaries and security. True,

Question 8

While searching a crime scene you must be aware of intangible evidence.

Which if the following could provide intangible evidential material.
Select one or more.

Answer 8

Facebook account

CCTV camera

Memory stick.

Question 9

In a forensic sense, what does persistence refer to?

Answer 9

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

Question 10

Elimination samples refers to samples (eh hair fingerprints, shoe prints) taken from people who are not under investigation for the offence but may have come into legitimate contact with the crime scene evidence.

True or false.

Answer 10

True

Question 11

The “golden hour” concept refers to the time when:

Select one.

Answer 11

Period immediately following the commission of an offence when material is abundant and readily available to the police.

Question 12

Entomology is the science of studying.

Select one.

Answer 12

Insects

Question 13

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

Select one.

Answer 13

False.

Question 14

Material collected at s crime scene can be contaminated when.

Answer 14

People or animals have entered the scene. True

Exhibits are repeatedly handled before packaging. True.

Scene equipments is not cleaned before use. True.

A scene searcher leaves traces on an exhibit. True.

Question 15

Contamination may occur when

Answer 15

Forensic material is added to an exhibit post incident. True.

Forensic material is exposed to rain or sunshine. False

Exhibits are not packaged or secured. True.

Equipment used has not been correctly cleaned. True,

Question 16

Elimination samples are.

Select one.

Answer 16

Taken from people who had legitimate contact with the scene or an exhibit,

Question 17

Mark the following statements about trace evidence true or false.

Answer 17

Trace evidence cannot be seen by the human eye. False.

Trace evidence may only be seen by forensic personnel. False.

Trace evidence may be of a biological or physical nature. True

Trace evidence is usually found in fragments or small particles. True

Question 18

Does the situation describe when transfer between victim and offender can occur?

Answer 18

When the offender is present in the scene prior to the incident. Yes.

When one vehicle is used to transport the victim and the offender. Yes.

When the victim and the offender are not separated during initial action. Yes,

When professional medical assistance is given to a victim at the scene. No

Question 19

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

Answer 19

False.

Question 20

A woman dances with a man. Male A, who is wearing a red jersey and she gets red fibres on her top. Late in the evening she dances with another man, male B and some red fibres are transferred to the shirt of that man.

The scenario is an example of a secondary transfer between.

Select one.

Answer 20

The woman and male B.