1402 hybrid firefighter ii 6th edition chapter 19 — fire origin and cause determination
TRANSCRIPT
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1402 Hybrid Firefighter II6th Edition
Chapter 19 — Fire Origin and Cause Determination
![Page 2: 1402 Hybrid Firefighter II 6th Edition Chapter 19 — Fire Origin and Cause Determination](https://reader035.vdocument.in/reader035/viewer/2022062314/56649dc45503460f94ab77e0/html5/thumbnails/2.jpg)
Describe types of evidence used to indicate the area of origin or fire
cause.
Learning Objective 1
19–2
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•Physical
The three types of evidence are used to support testimony.
1–3
•Direct
•Circumstantial
Co
urte
sy of D
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ny H
ow
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REVIEW QUESTION
What types of evidence are used to indicate an area of origin or a fire’s cause?
19–4
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Recognize fire cause evidence.
Learning Objective 2
19–5
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• Timing devices
Fire investigators decide what evidence and information is collected.
19–6
(Cont.)
•Separate fires
•Trailers
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•Chemicals
Fire investigators decide what evidence and information is collected.
19–7
(Cont.)
•Matches
•Ignitable liquids
Co
urt
esy
of
MS
A
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•Bottles • Rubber or latex items
•Containers
Fire investigators decide what evidence and information is collected.
19–8
(Cont.)
Co
urt
esy
of
Do
nn
y H
ow
ard
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•Glass•Lighte
rs
•Electrical sources
• Modified equipment
Fire investigators decide what evidence and information is collected.
19–9
(Cont.)
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•Items•That should not be present are•That should be present are not
•Oily rags
• Fire patterns
Fire investigators decide what evidence and information is collected.
19–10
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REVIEW QUESTION
How can a Firefighter II recognize fire cause evidence?
19–11
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Explain the roles and responsibilities of responders and investigators involved in fire investigations.
Learning Objective 3
1–12
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•Fire chief• Determin
e fire origin and cause
•Trained firefighters
• Recognize, collect important information
•First-arriving firefighters
• Take mental notes
•During operations
• Be aware• Be open minded• Perform careful
overhaul• Refrain from
expressing personal opinions
The roles and responsibilities of responders and investigators vary.
19–13
(Cont.)
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•Fire or criminal investigator
• Conduct detailed investigations, analysis
• Firefighters role
• Insurance investigator
• Hired to determine cause, amount of loss
• Firefighters may be interviewed
• Insurance adjustors• Responsibilities• Upon notification
of loss• Independent
investigation
The roles and responsibilities of responders and investigators vary.
19–14
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REVIEW QUESTION
Who are the types of responders and investigators that may be
involved in a fire investigation?
19–15
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Tell what legal issues impact location and collection of evidence during a fire investigation.
Learning Objective 4
19–16
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•Laws
•Change constantly
• Vary by jurisdiction
Location and collection of evidence is based on a variety of laws.
19–17
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•Right of entry
• Search and
seizure
• Statements and the Miranda Warning
• Chain of custody,
continuity of evidence
•Spoliation
There are several important legal issues you should be aware of.
19–18
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REVIEW QUESTION
What legal issues impact the location and collection of evidence during a fire investigation?
1–19
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• When the area of origin is known a more thorough investigation can be conducted to determine cause.
• Firefighters may be assigned to assist with an investigation.
• When origin and cause reveal incendiary fire property becomes a crime scene.
Summary
1–20
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Protect evidence of fire cause and origin.
This objective is measured in Skill Sheet 19-II-1.
Learning Objective 5
1–21