Forensic Science Ch 4

Front 1

Small amounts of trace evidence can be conveniently packaged in a carefully folded paper package called what?

Back 1

Druggist fold

Front 2

Which of the following items is likely to contain dna evidence?

Back 2

Bed sheet

Front 3

Which one of the following is a correct evidence collection procedure?

Back 3

Bloodstained garments should be packaged separately in paper bags

Front 4

How must an evidence collector take care to avoid potentially contaminating objects of evidential value by transfer of dna?

Back 4

Wearing a face mask

Front 5

A properly maintained chain of custody is not the responsibility of which one of the following?

Back 5

Trial judge

Front 6

The best way to guarantee that the evidence will withstand inquired about what happened to it from the time of its finding to its presentation in court is to do what?

Back 6

Properly record the crime scene, properly complete evidence submission forms, and properly mark evidence for identification

Front 7

The collection of standard/reference samples at the crime scene is important because they:

Back 7

Permit comparisons to be made with the evidence

Front 8

When biological samples of unknown origin are discovered at crime scene, what should investigators do?

Back 8

Assume pathogens are present and treat the samples accordingly

Front 9

A swab of the inner portion of the cheek, performed to collect cells for use in determining the dna profile of an individual

Back 9

Buccal swab

Front 10

A list of all people who have come into possession of an item of evidence

Back 10

Chain of custody

Front 11

The transfer of extraneous matter between the collector and the evidence or multiple pieces of evidence, resulting in tainted evidence that cannot be used in the subsequent investigation

Back 11

Contamination

Front 12

Any object that can establish that a crime has been committed or can link a crime and it’s victim or it’s perpetrator

Back 12

Physical evidence

Front 13

Physical evidence whose origin is known, such as blood or hair from a suspect, and that can be compared to crime scene evidence

Back 13

Standard/reference sample

Front 14

Uncontaminated surface material close to areas where physical evidence has been deposited

Back 14

Substrate control

Front 15

Vehicles that carry the necessary supplies to protect the crime scene and photograph, collect, and package physical evidence

Back 15

Mobile crime laboratory

Front 16

Carefully folded paper used to package trace evidence

Back 16

Druggist fold

Front 17

Changes to evidence, such as contamination, can be prevented by handling evidence with reusable forceps

Back 17

False

Front 18

The most important consideration when handling and processing physical evidence is preventing any change from taking place between the time the evidence is removed from the crime scene and the time it is received by the crime laboratory

Back 18

True

Front 19

The investigator should not removed trace evidence from items at the crime scene, but instead they should send the entire objects to the laboratory for processing

Back 19

True

Front 20

An evidence collector should always rely on collection procedures memorized from a pamphlet

Back 20

False

Front 21

Clothing from the victim and suspect should be collected even if the presence of blood is not obvious

Back 21

True

Front 22

Bloodstained clothing should not be placed in an airtight container

Back 22

True

Front 23

The chain of custody does not usually play a vital role in a court of law

Back 23

False

Front 24

A warrantless search is never justified

Back 24

False

Front 25

The manner of collecting and preserving physical evidence at a crime scene is determined by the nature of the evidence

Back 25

True