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Swanson, Criminal Investigation 8/e
Criminal Investigation, 8/e
Charles R. Swanson, University of Georgia
Neil C. Chamelin, Assistant State Attorney, Second Judicial Circuit
Leonard Territo, University of South Florida- Tampa

Arson and Explosives Investigations

Multiple Choice Quiz



1

Which of the following is probably the most important step in controlling arson rates?
A)Better training of arson investigators
B)Cooperation with arson investigators
C)Recognition and resource enhancement
D)Recognition of the problem
2

Which of the following actions should be taken first by firefighters if arson is suspected?
A)Clean the premises of debris.
B)Determine how the fire started.
C)Determine the point of origin.
D)Determine whether the cause was accidental.
3

Why is it important to determine the point of origin in a fire investigation?
A)It can point to arson.
B)It helps the insurance adjuster handle fire claims.
C)It can help determine the cause of the fire.
D)Both A and C are correct.
4

Which of the following points of origin may indicate arson?
A)Two or more distinct points of origin.
B)The fire started in a closet.
C)The fire started in the middle of a large room.
D)All of the above.
5

Which of the following is not a common accidental or natural cause of fire?
A)Electric system
B)Gas
C)Sunlight
D)Spontaneous ignition
6

_____________________ may be caused by chemical action, fermentation, and oxidation.
A)Electric system fires
B)Spontaneous heating
C)Heating unit fires
D)Spontaneous ignition
7

Which of the following is not a burn indicator?
A)Alligatoring
B)Depth of char
C)Sunlight
D)Broken glass
8

What is the term used to refer to the checking of charred wood that resembles alligator skin?
A)Alligatoring
B)Depth of char
C)Crazing
D)Spalling
9

Which of the following is not a variable when determining the rate of wood charring?
A)Ratio of surface area to mass
B)Ventilation effects
C)Crazing
D)Rate and duration of heating
10

What is the significance of depth of char in a fire investigation?
A)It is a layering technique.
B)It is used to estimate the duration of a fire.
C)It is one of the factors needed to cause fire.
D)None
11

__________________________ happens when exposure to high temperatures and rates of heating causes the surface tensile strength of concrete masonry or brick to decay resulting in mechanical forces within the material.
A)Crazing
B)Depth of char
C)Alligatoring
D)Spalling
12

Which of the following is the least utilized ignition technique employed by sophisticated arsonists?
A)Striking matches
B)Gasoline
C)Chemicals
D)Electrical appliances
13

Which of the following is the best place to begin an arson investigation?
A)Determine the motives of the arsonist.
B)Determine the point of origin.
C)Temperature determination
D)None of the above
14

Which of the following are motivations for third-party arson?
A)Labor-management grievances
B)Eliminating business competition
C)Extracting extortion payments
D)All of the above
15

Which of the following types of evidence are strong indications of a motive for arson-for-profit?
A)Bankruptcy
B)Loans
C)Tax lien
D)Code violations
16

Which of the following people may have strong motives for arson-for-profit?
A)Creditors
B)Lien-holder
C)Loan shark
D)Insurance adjusters
17

__________________ lack conscious motivation for their fire-setting.
A)For-profit arsonists
B)Vandals
C)Loan shark
D)Pyromaniacs
18

The ____________ usually burns only self-owned property.
A)For-profit arsonists
B)Vandal fire-setter
C)Female fire-setter
D)Pyromaniac
19

Which of the following is not a method used to detect fire accelerants at a fire scene?
A)Olfactory detection
B)Catalytic combustion detection.
C)Gas liquid chromatograph
D)Interviews
20

Which of the following is a relevant question for a fire investigator talking to a firefighter present at the scene?
A)Did you see any people entering or leaving the building before the fire?
B)Was there evidence that an accelerant was used?
C)Who is the insured party?
D)Were you able to determine the cause of the fire?
21

Which of the following is a relevant question for a fire investigator talking to an insurance investigator?
A)Did you see any people entering or leaving the building before the fire?
B)Was there evidence that an accelerant was used?
C)Who is the insured party?
D)Were you able to determine the cause of the fire?
22

What is the first duty of the investigator at the scene of the explosion?
A)Collect evidence
B)Secure the scene
C)Search the area
D)Establish an outer perimeter.
23

What is the general rule for establishing a scene perimeter at the site of an explosion?
A)One and one-quarter times the distance of the piece of the farthest debris found
B)One and one-half times the distance of the piece of the farthest debris found
C)Search the area before establishing a perimeter.
D)A scene perimeter is not necessary.
24

What categories of equipment should be available for explosion and bombing scenes?
A)Safety, general crime scene, scene documentation, evidence collection
B)Safety, scene documentation, evidence collection, specialized
C)Safety, general crime scene, scene documentation, evidence collection, specialized
D)Safety, scene documentation, evidence collection
25

What is the most important step to take whenever a suspicious object is located during a search conducted as a result of a bomb threat?
A)Suspend search operations within 300 feet and leave the object untouched.
B)Move the object from the area.
C)Cut the wires.
D)Place it in water.