Chapter 2 Crime Scene

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 initial survey.

D.The​ walk-through.

The walk through

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

A.The need to prevent the immediate loss of evidence.

B.The existence of emergency circumstances.

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

D.The consent of the parties involved.

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

Which statement about note-taking is NOT​ true?

A.Notes should include the ​location of physical evidence recovered.

B.The individual who packaged and marked items of evidence should be recorded.

C.Disposition of items after collection must be included.

D.Note-taking is done after all crime scene processing has been completed.

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

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

A.Should assume no pathogens are present and treat the samples as such.

B.Should allow only trained hazardous material teams to handle the evidence.

C.Should package them in plastic bags.

D.Should assume pathogens are present and treat the sample as such.

Should assume pathogens are present and treat the sample as such.

The presence of blood and semen at crime scenes exposes investigators​ to:

A.AIDS.

B.Hepatitis B.

C.Both A and B

D.Neither A nor B

Both A and B

A warrantless search is never justified.

True

False

False

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 druggist fold

Investigators should collect possible carriers of trace​ evidence, which may​ include:

A.Clothing.

B.Vacuum sweepings.

C.Fingernail scrapings.

D.All of the above

All of the above

It is permitted for officers at the scene to alter temperature conditions by adjusting​ windows, doors, or the heat or​ air-conditioning.

True

False

False

Which of the following items is likely to contain DNA​ evidence?

A.A blue rug fiber

B.A bed sheet

C.A​ self-adhesive mailing stamp

D.A glass fragment

A bed sheet

A rough sketch need NOT include​ a:

A.Compass heading designating north.

B.Location of all recovered physical evidence.

C.Sketch of the​ suspect(s).

D.Date, location, and time of the incident.

Sketch of the​ suspect(s)

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

A.Are within ten feet of the item.

B.Are fixed or immovable.

C.Are located outside the boundaries of the crime scene.

D.Can be transported to the crime laboratory.

Are fixed or immovable

Videotapes of the crime​ scene:

A.Must be complemented by a hard copy of notes and separate still photographs.

B.Are required in all jurisdictions.

C.Can be used in place of notes and photographs.

D.Are not admissible in court due to the poor image quality.

Must be complemented by a hard copy of notes and separate still photographs.

All of the following items may be placed in an airtight container​ EXCEPT:

A.Glass.

B.Blood-stained clothing.

C.Hairs and fibers.

D.Charred debris recovered from a fire.

Blood-stained clothing

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.

Taking photographs at the crime scene

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

A.Biological stain evidence

B.Arson evidence

C.DNA-containing evidence

D.All of the above

All of the above

It is permissible for officers at the scene​ to:

A.Smoke.

B.Eat.

C.Drink.

D.None of the above

None of the above

Officers should attempt to locate tool marks at the point of entry during the investigation of​ a:

A.Assault.

B.Burglary.

C.Hit and run.

D.Homicide.

Burglary

A properly maintained chain of custody is NOT the responsibility of​ the:

A.Crime scene processor.

B.Trial judge.

.C.Forensic technician.

D.Evidence clerk.

Trial judge

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

A.Serve as a source of extra test material if required in the crime lab.

B.Permit comparisons to be made with the evidence.

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

D.All of the above

Permit comparisons to be made with the evidence.

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

A.Search for evidence.

B.Secure the scene.

C.Take notes.

D.Make a rough sketch of the scene.

Secure the scene.

CAD programs enhance the ability​ to:

A.Produce a finished crime scene sketch.

B.Take complete notes.

C.Edit videotape.

D.Develop photographs.

Produce a finished crime scene sketch

The crime scene notes must accurately​ record:

A.The tasks assigned each investigator.

B.Descriptions of evidence present at the crime scene.

C.Personnel arrivals and departures from the scene.

D.All of the above

All of the above

Which search pattern would be best suited for a crime scene where many investigators are available to search a large​ area?

A.Zone

B.Spiral

C.Grid

D.Line

Zone

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.First

B.Fourth

C.Fifth

D.Sixth

fourth

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

True

False

False

The first priority of the first officer responding to a crime scene is securing the crime scene.

True

False

False

The evidence collector is NOT concerned​ with:

A.Utilizing the proper packaging material for evidence.

B.Determining the natural variations that exist in physical evidence.

C.Labeling evidence.

D.Maintaining the chain of custody.

Determining the natural variations that exist in physical evidence.

Physical evidence may be obtained​ from:

A.The victim.

B.The suspect.

C.The crime scene.

D.All of the above

All the above

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

A.The kind of search pattern that is used to locate evidence.

B.The kind of evidence that will be missing.

C.The time at which the crime scene is searched.

D.The amount of care that must be taken during the crime scene search.

The kind of search pattern that is used to locate evidence.

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

A.The number of people employed in the crime lab.

B.Whether the crime is considered​ high-profile.

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

D.The volume of the physical evidence collected.

The manner in which the evidence is collected and preserved.

At an arson​ scene, the collection of a substrate control would require the arson investigator​ to:

A.Collect a piece of the surface material near the​ fire's origin that he or she believes was not exposed to the accelerant.

B.Collect a sample of the vapors at the fire origin.

C.Collect a sample from the center of a potential accelerant stain.

D.Collect samples of surface material from areas far away from the​ fire's origin.

Collect a piece of the surface material near the​ fire's origin that he or she believes was not exposed to the accelerant.

The manner of collecting and preserving physical evidence at a crime scene is determined​ by:

A.The circumstances of the crime.

B.The importance of the case.

C.The number of evidence collectors present at the crime scene.

D.The nature of the evidence.

The nature of the evidence

The center of the crime​ scene, which is always included within the crime​ scene's boundary,​ is:

A.The area where the command center will be located.

B.The area where the crime occurred.

C.The area where the first responder entered the scene.

D.The area where the witnesses were located.

The area where the crime occurred.

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

A.Investigating the murder of a fellow officer.

B.Unable to locate a judge to issue a warrant.

C.Certain the suspect is guilty.

D.In the process of a legal arrest.

In the process of a legal arrest.

The purpose of the crime scene search is to​ locate:

A.All physical evidence.

B.DNA-containing evidence.

C.Fingerprint evidence.

D.Bloodstain patterns.

All physical evidence.

Crime scene sketches serve a unique purpose in permanently documenting the location of​ evidence:

A.Processed at the crime scene.

B.Containing drug evidence.

C.Collected and removed from the crime scene.

D.Not documented in photographs

Collected and removed from the crime scene

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

A.Witnesses.

B.Unauthorized personnel.

C.Suspects.

D.Both A and C

Both A and C

If the crime scene includes a dead​ body, the photographer​ should:

A.Determine the time of death.

B.Attempt to identify the victim.

C.Depict injuries and weapons at the crime scene.

D.Document all forensic personnel at the crime scene.

Depict injuries and weapons at the crime scene

Which of the following is a U.S. Supreme Court decision that dealt with the impropriety of the warrantless collection of physical evidence at a homicide​ scene?

A.People v. Wilkens

B.Mapp v. U.S.

C.Mincey v. Arizona

D.Frye v. U.S.

Mincey v. Arizona

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

A.All items collected from the same grid area should be packaged together.

B.Bloodstained garments should be packaged separately in paper bags.

.C.The​ victim's clothing should be obtained at the crime scene and vacuumed to obtain trace evidence.

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

Bloodstained garments should be packaged separately in paper bags.

To formulate a successful strategy for recovering relevant physical evidence at crime​ scenes, the investigator must ultimately rely​ on:

A.Reference material.

B.The lead investigator.

C.Training.

D.Experience.

Experience.

Success in the recognition and collection of physical evidence is determined primarily by​ the:

A.Notoriety of the case.

B.Time available to the evidence collectors.

C.Skill of personnel processing the crime scene.

D.Type of evidence involved.

Skill of personnel processing the crime scene

The best way to guarantee that the evidence will withstand inquiries about what happened to it from the time of its finding to its presentation in court is​ to:

A.Properly complete evidence submission forms.

B.Properly record the crime scene.

C.Properly mark evidence for identification.

D.All of the above

All of the above

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

True

False

True

The evidence collector must take extraordinary care to avoid potential contamination by transferring DNA onto objects of evidential value​ by:

A.Using the same pair of forceps to collect all evidence at the crime scene.

B.Wearing a face mask.

C.Reusing shoe covers.

D.Packaging items containing potential DNA evidence in airtight bags.

Wearing a face mask

Charred debris from an arson scene should be

A.Placed in​ Ziploc® bags.

B.Aired out before packing in plastic wrap.

C.Packaged in airtight glass jars.

D.Placed together with similar items in a paper bag.

Packaged in airtight glass jars

Changes to​ evidence, such as​ contamination, can be prevented by handling evidence​ with:

A.Disposable forceps.

B.Dry, bare hands.

C.Latex gloves.

D.Both A and C

Both A and C

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

All of the above

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

True

False

True