chapter 2 forensics

The need to prevent the immediate loss or destruction of evidence is justification for a warrantless search.

A: true

B: false

A

The crime scene notes must accurately record:

A: Personnel arrivals and departures from the scene

B: The tasks assigned each investigator

C: Descriptions of evidence present at the crime scene

D: all of the above

D

Physical evidence may be obtained from:

A: the victim 

B: the suspect 

C: the crime scene

D: all of the above 

D 

Charred debris from an arson scene should be

A: Placed together with similar items in a paper bag

B: Aired out before packing in plastic wrap

C: Placed in Ziploc® bags

D: Packaged in airtight glass jars

D

After providing or obtaining medical assistance for the injured and effecting an arrest of suspects (if possible), the firstofficer arriving at a crime scene should immediately:

A: secure the scene 

B: make a rough sketch of the scene 

C: search the evidence 

D: take notes 

A

The first responding officer must make attempts at the crime scene to detain and question:

A: suspects 

B: media personnel

C: witnesses 

D: both suspects and witnesses 

D

The location of an item of evidence on a crime scene sketch is shown by its distance from points of reference that:

A: Can be transported to the crime laboratory

B: Are fixed or immovable

C: Are located outside the boundaries of the crime scene

D: Are within ten feet of the item

B

The police are NOT required to obtain a search warrant if they are:

A: Unable to locate a judge to issue a warrant

B: Investigating the murder of a fellow officer

C: In the process of a legal arrest

D: Certain the suspect is guilty

C

Warrantless searches are permitted under law in all of the following situations EXCEPT:

A: The existence of emergency circumstances

B: The consent of the parties involved

C: The injury or death of a police officer or law enforcement employee

D: The need to prevent the immediate loss of evidence

C

From the choices below, select the one correct physical evidence collection procedure.

A: The victim's clothing should be obtained at the crime scene and vacuumed to obtain trace evidence

B: Items recovered from the scene of a murder should be sent along with the body to the medical examiner

C: Bloodstained garments should be packaged separately in paper bags

D: All items collected from the same grid area should be packaged together

C

Which statement about note-taking is NOT true?

A: Note-taking is done after all crime scene processing has been completed

B: Notes should include location of physical evidence recovered

C: Disposition of items after collection must be included

D: The individual who packaged and marked items of evidence should be recorded

A

Which type of evidence must be packaged separately from other evidence?

A: Biological stain evidence

B: DNA-containing evidence

C: Arson evidence

D: all of the above 

D

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

A: Permit comparisons to be made with the evidence

B: Serve as a source of extra test material if required in the crime lab

C: Are obtained only from suspects in cases of violent assault

D: all of the above 

A

A warrantless search is never justified.

A: true 

B: false 

B

A victim's fingernail scrapings would be correctly packaged in:

A: A druggist fold

B: A plastic Ziploc® bag

C: Sealed, airtight containers

D: Both b and c 

A

When biological samples of unknown origin are discovered at a crime scene, investigators:

A: Should package them in plastic bags

B: Should assume pathogens are present and treat the sample as such

C: Should allow only trained hazardous material teams to handle the evidence

D: Should assume no pathogens are present and treat the samples as such

B

The officer charged with protecting the scene has the authority to exclude fellow officers.

A: true 

B: False

A

The initial survey of the crime scene carried out by the lead investigator is called:

A: The spiral search

B: The crime scene search

C: The walk-through

D: The initial survey

C

The size and location of the crime scene, as well as the events that occurred there, will determine:

A: The amount of care that must be taken during the crime scene search

B: The time at which the crime scene is searched

C: The kind of evidence that will be missing

D: The kind of search pattern that is used to locate evidence

D

The successful outcome of a criminal investigation is almost always directly related to:

A: The number of people employed in the crime lab

B: The volume of the physical evidence collected

C: The manner in which the evidence is collected and preserved

D: Whether the crime is considered high-profile

C

Evidence may be moved only after investigators have documented its location and appearance in notes, sketches, and photographs.

A: true 

B: false 

A

The conditions at a crime scene can be compromised by all of the following actions EXCEPT:

A: Taking photographs at the crime scene

B: Adjusting the temperature of the crime scene

C: Turning a faucet on at the crime scene

D: Eating food at the crime scene

A

The removal of any evidence from a person or from the scene of a crime must be done in conformity with the privileges of which amendment to the Constitution?

A: sixth 

B: first 

C: fifth

D: fourth 

D

The obligation to maintain the integrity of evidence belongs to the first police officer at the scene only.

A: true 

B: false 

B

Physical evidence at a hit-and-run scene could include:

A: Fabric impressions

B: Glass fragments

C: Fiber and tissue

D: All of the above

D