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:
Search for evidence
Secure the scene
Make a rough sketch of the scene
Take notes
The first responding officer must make attempts at the crime scene to detain and question
Witnessess
Unauthorized personnel
Suspects
Both A and C
Police barricades, and the strategic position of guards, will prohibit access to the crime scene for:
Civilians only
Civilians and media personnel
All law enforcement personnel
All unauthorized personnel
The conditions at a crime scene can be compromised by all of the following actions EXCEPT:
Taking photographs at the crime scene
Adjusting the temperature of the crime scene
Eating food at the crime scene
Turning a faucet on at the crime scene
The size and location of the crime scene, as well as the events that occurred there, will determine:
The kind of evidence that will be missing
The kind of search pattern that is used to locate evidence
The amount of care that must be taken during the crime scene search
The time at which the crime scene is searched
Which search patter would be best suited for a crime scene where many investigators are available to search a large area?
Spiral
Grid
Line
Zone
The purpose of the crime scene search is to locate:
DNA-containing evidence
All physical evidence
Fingerprint evidence
Bloodstain patterns
The most basic methods of crime scene recording do NOT include:
Note-taking
Photographs
Narrated videotapes
Infrared analysis
If the crime scene includes a dead body, the photographer should:
Determine the time of death
Attempt to identify the victim
Document all forensic personnel at crime scene
Depict injuries and weapons at scene
A rough sketch need NOT include a:
Sketch of the suspect(s)
Compass heading designating north
Date, location, and time of the incident
Location of all recovered physical evidence
CAD programs enhance the ability to:
Take complete notes
Develop photographs
Edit video tape
Produce a finished crime scene sketch
Which statement about note-taking is NOT true?
The individual who packaged and marked items of evidence should be recorded
Note-taking is done after all crime scene processing has been completed
Notes should included location of physical evidence recovered
Disposition of items after collection must be included
Which crime scene search pattern would absolutely require more than one investigator?
Physical evidence at a hit-and-run scene should include
Fiber and tissue
Glass fragments
Fabric impressions
All of the above
The crime scene notes must accurately record:
The tasks assigned each investigator
Personnel arrivals and departures from the scene
Descriptions of evidence present at the crime scene
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.
The investigator's hand are free to carry out other tasks while recording the notes
Audio tapes have the added security feature of preventing erasure or taping over if the security tab on the tape
The notes are recording as the observation are made
In digital photography, light is recorded as a specific charge on millions of tiny:
Silver halide grains
Charge coupled devices
Semi-conductors
Pixels
Digital crime scene photographs require special measures to assure their admissibility tin court due to:
Their poor quality
The inability to manipulate the images
The ability to manipulate the images
Videotapes of the crime scene:
Can be used in place of notes and photographs
Must be complemented by a hard copy of notes and separate still photographs
Are required in all jurisdictions
Are not admissible in court due to the poor image quiality
Crime scene sketches serve a unique purpose in permanently documenting the location of evidence
Processed at the crime scene
Containing drug evidence
Not documented in photographs
Collected and removed from the crime scene
From the choices, select the one correct physical evidence collection procedure
Bloodstained garments should be packaged separately in paper bags
Items recovered from scene of a murder should be sent along with the body to the Medical Examiner
All items collected from the same grid area should be packaged together.
The victim's clothing should be obtained at the crime scene and vacuumed to obtain trace evidence
Investigators should collect possible carriers of trace evidence which may include:
Vacuum sweepings
Clothing
Fingernail scrapings
Changes to evidence, such as contamination, can be prevented by handling evidence with:
Latex gloves
Dry, bare hands
Disposable forcepts
A and C
Charred debris from an arson scene should be:
Placed together with similar items in a paper bag
Placed in Ziploc® bags.
Packaged in airtight glass jars
Aired out before packing in plastic wrap
A victim's fingernail scrapings would be correctly packaged in:
A druggist fold
A plastic Ziploc® bag
Sealed, airtight containers
Both b and c
The successful outcome of a criminal investigation is almost always directly related to:
The manner in which the evidence is collected and preserved
The number of people employed in the crime lab
The volume of the physical evidence collected
Whether the crime is considered high-profile
A properly maintained chain or custody is NOT the responsibility of the:
Crime scene processor
Evidence clerk
Forensic technician
Trial judge
Success in the recognition and collection of physical evidence is determined primarily by the:
Notoriety of the case
Time available to the evidence collectors
Skills of personnel processing the crime scene
Type of evidence involved
The collection of standard reference samples at the crime scene is important because they:
Permit comparisons to be made with the evidence
Are obtained only from suspects in cases of violent assault
Serve as a source of extra test material if required in the crime lab
The presence of blood and semen at crime scenes exposes investigator to:
Hepatitis B
AIDS
Both a and b
Neither a nor b
The removal of any evidence from a person or from the scene of crime must be done in a conformity with the privileges of which amendment to the Constitution?
Sixth
Fourth
Fifth
First
The police are NOT required to obtain a search warrant if they are:
Unable to locate a judge to issue a warrant
Certain their suspect is guilty
In the process of a legal arrest
Investigating the murder of a fellow officer
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?
Mapp v. U.S
Frye v. U.S.
People v. Wilkens
Mincey v. Arizona
Which type of evidence must be packaged separately from other evidence?
Biological stain evidence
Arson evidence
Which of the following items is likely to contain DNA evidence?
A self-adhesive mailing stamp
A bed sheet
A blue rug fiber
A glass fragment
The evidence collector must take extraordinary care to avoid potential contamination by transferring DNA onto objects of evidential value by:
Reusing shoe covers
Packaging items containing potential DNA evidence in airtight bags
Wearing a face mask
Using the same pair of forceps to collect all evidence at 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:
Properly record the crime scene
Properly mark evidence for identification
Properly complete evidence submission forms
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
Should allow only trained hazardous materials teams to handle the evidence
Should assume pathogens are present and treat the sample as such
Should package them in plastic bags
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 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:
Frye standard
Fourth Amendment
Declaration of Independence
Second Amendment
Warrantless searches are permitted under law in all of the following situations EXCEPT:
The existence of emergency circumstances
The injury or death of a police officer or law enforcement employee
The consent of the parties involved
The need to prevent the immediate loss of evidence
The manner of collecting and reserving physical evidence at a crime scene is determined by:
The circumstances of the crime
The importance of the case
The number of evidence collectors present at the crime scene
The nature of the evidence
Physical evidence may be obtained from
The crime scene
The victim
The suspect
All of the following ites may be placed in an airtight container EXCEPT:
Charred debris recovered from a fire
Blood-stained clothing
Glass
Hairs and fibers
The evidence collector is NOT concerned with
Maintaining the chain of custody
Utilizing the proper packaging material for evidence
Labeling evidence
Determining the natural variations that exist in physical evidence
The conditions at a crime scene can be compromised by all of the following action EXCEPT
Turning on a faucet on the crime scene
Smoking at the crime scene
The initial survey of the crime scene carried out by the lead investigator is called:
The spiral search
The initial survey
The walk-through
The crime scene search
Which crime scene search pattern does NOT require more than one invesigator
Wheel
What is a disadvantage to the spiral search pattern
Evidence could be missed
It requires several investigators
It does not work for outdoors scenes
It is dependent on the boundaries of the scene
The center of the crime scene, which is always included within the crime scene's boundary, is:
The area where the first responder entered the scene
The area where the witnesses were located
The area where the command center will be located
The area where the crime occurred
Evidence commonly located during a vehicle search includes all of the following EXCEPT:
Questioned documents
Fibers
Paint evidence
Broken glass
To formulate a successful strategy for recovering relevant physical evidence at crime scenes, the investigator must ultimately rely on:
Reference material
Experience
Training
The lead investigator
The search pattern in which one or two investigators starts at the boundary at one end of the scene and walk straight across to the other side is:
Quadrant
The search pattern that employs two people performing line searches that originate from adjacent corners is:
Which search pattern employs several people moving from the boundary straight toward the center of the scene (inward) or from the center straight to the boundary(outward)?
It is permissible for officers at the scene to:
Eat
Drink
Smoke
None of the above
Which search pattern is more reliant on the boundaries established?
Officers should attempt to locate tool marks at the point of entry during the investigation of a:
Homicide
Burglary
Hit and run
Assault
The location of an item of evidence on a crime scene sketch is shown by its distance from points of reference that:
Are fixed or immovable
Are within ten feet of the item
Are located outside the boundaries of the crime scene
Can be transported to the crime laboratory
At an arson scene, the collection of a substrate control would require the arson investigator to:
Collect a sample from the center of a potential accelerate stain
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
Collect a sample of the vapors at the fire origin
Time available to the evidence collector
Skill of personnel processing the crime scene
