chapter 2: the crime scene

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

Hepatitis B, AIDS (Both a and b)

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

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

The first officer arriving at the crime scene, after providing or obtaining medical assistance for the injured and effecting an arrest of suspects, should immediately

Secure the scene

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

Skill of personnel processing the crime scene.

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

The kind of search pattern that is used to locate evidence

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

Latex gloves, Disposable forceps (a & c)

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

Mincey v. Arizona

Videotapes of the crime scene:

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

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

Vacuum sweepings, clothing, fingernail scrapings. (all of the above)

The purpose of the crime scene search is to locate:

all physical evidence

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

bed sheet

The most basic methods of crime scene recording do NOT include:

infrared analysis

which statement about notetaking is not true

note taking is done after all crime scene processing has been completed

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

permit comparisons to be made with the evidence

In digital photography, light is recorded as a specific charge on millions of tiny:

pixels

CAD programs enhance the ability to

produce a finished crime scene sketch

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

taking photographs at the crime scene

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

wearing a face mask

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

witnesses and suspects (both a & c)

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

zone

which crime scene search pattern would absolutely require more than one investigator

zone

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

Biological stain evidence, DNA-containing evidence, Arson evidence (All of the above)

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

Blood-stained clothing.

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

Bloodstained garments should be packaged separately in paper bags

Police barricades, and the strategic positioning of guards, will prohibit access to the crime scene for:

All unauthorized personnel

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

Collected and removed from the crime scene

The evidence collector is NOT concerned with:

Determining the natural variations that exist in physical evidence.

physixal evidence of a hit-and-run scene should include

Glass fragments, fabric impressions, paint chips, fiber and tissues (all of the above)

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

In the process of a legal arrest.

Charred debris from an arson scene should be:

Packaged in airtight glass jars.

Special circumstances at a crime scene may require the use of the following for evidence collection, EXCEPT:

Particle masks, Biohazard packages, Coveralls. (All of the above may be required)

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:

Properly record the crime scene, properly mark evidence for identification, Properly complete evidence submission forms. (All of the above)

Digital crime scene photographs require special measures to assure their admissibility in court due to:

The ability to manipulate the images

Physical evidence may be obtained from:

The crime scene, The victim, The suspect. (All of the above)

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

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

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

The manner in which the evidence is collected and preserved

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

The nature of the evidence.

The advantages of tape-recording crime scene notes on an audio tape include all of the following EXCEPT:

The notes can be recorded at the crime laboratory instead of at the crime scene

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

Trial judge

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

depict injuries & weapons at the scene

The crime scene notes must accurately record

descriptions of evidence present at the crime scene, the tasks assigned each investigator, personnel arrivals and departures from the scene (a, b, c)

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

druggist fold.

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?

fourth

"The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizure..." is provided for in the United States by the:

fourth amendment

a rough sketch need not include a

sketch of the suspects