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jeremy harmon > Arson Forensics > Flashcards

Arson Forensics Flashcards

1
Q

What are the 6 motives for arson HIRVED

A 
Hero syndrome 
Insurance fraud 
Revenge 
Vandalism 
Excitement
Destroy evidence
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2
Q

How is arson evidence sealed?

A

With a sealed metal container

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3
Q

What is the first thing that arson investigators do?

A

Find the point of Origin

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4
Q

What is the most common accelerant used

A

Gasoline

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5
Q

What’s the term called when analyzing a chemical sample and providing data to identify a chemical?

A

Gas chromatography

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6
Q

Exothermic reaction

A

Chemical reaction that releases heat

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7
Q

What are the four categories of fire

A

Accidental, natural, deliberate, undetermined

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8
Q

What is an example of a natural fire?

A

Lighting strikes a tree and a forest fire starts

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9
Q

What is an example of an accidental fire?

A

You leave a candle burning which starts a fire

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10
Q

What is an example of a undetermined fire?

A

Investigators cannot determine the the reason of the fire

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11
Q

What is an example of a deliberate fire?

A

Pouring gasoline on the floor and throw a match on it to start the fire

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12
Q

Why do you NOT need a search warrant at a crime scene?

A

The accelerants can vaporize quickly which would destroy the evidence of a possible arson investigation

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13
Q

Accelerant

A

Any material used to start or sustain a fire

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14
Q

Arson

A

The intentional and illegal burning of property

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15
Q

Combustion reaction

A

Oxidation reaction that involves oxygen

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16
Q

Heat of combustion

A

Excess heat that is given off in a combustion reaction

17
Q

Hydrocarbon

A

Any compound consisting only of hydrogen and carbon

18
Q

Oxidation reaction

A

The complete or partial loss of electrons or gain of oxygen

19
Q

Substance control

A

A similar but uncontaminated sample

20
Q

Pyrolysis

A

Decomposition of organic matter by heat

21
Q

What are the 5 most common used accelerants

A 
Acetone
gasoline
mineral spirits 
turpentine 
kerosene
22
Q

How many carbons does the prefix meth have?

A

1

23
Q

How many carbons does the prefix eth have?

A

2

24
Q

How many carbons does the prefix prop have?

A

3

25
Q

How many carbons does the prefix but have?

A

4

26
Q

How many carbons does the prefix pent have?

A

5

27
Q

How many carbons does the prefix hex have?

A

6

28
Q

How many carbons does the prefix hept have?

A

7

29
Q

How many carbons does the prefix oct have?

A

8

30
Q

How many carbons does the prefix non have?

A

9

31
Q

How many carbons does the prefix dec have?

A

10

32
Q

How many bonds does the suffix ane have?

A

Single bonds

33
Q

How many bonds does the suffix ene have?

A

Double bonds

34
Q

How many bonds does the suffix yne have?

A

Triple bonds

jeremy harmon (108 decks)

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