Arson Forensics Flashcards Preview

jeremy harmon > Arson Forensics > Flashcards

Flashcards in Arson Forensics Deck (34):
1

What are the 6 motives for arson HIRVED

Hero syndrome
Insurance fraud
Revenge
Vandalism
Excitement
Destroy evidence

2

How is arson evidence sealed?

With a sealed metal container

3

What is the first thing that arson investigators do?

Find the point of Origin

4

What is the most common accelerant used

Gasoline

5

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

Gas chromatography

6

Exothermic reaction

Chemical reaction that releases heat

7

What are the four categories of fire

Accidental, natural, deliberate, undetermined

8

What is an example of a natural fire?

Lighting strikes a tree and a forest fire starts

9

What is an example of an accidental fire?

You leave a candle burning which starts a fire

10

What is an example of a undetermined fire?

Investigators cannot determine the the reason of the fire

11

What is an example of a deliberate fire?

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

12

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

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

13

Accelerant

Any material used to start or sustain a fire

14

Arson

The intentional and illegal burning of property

15

Combustion reaction

Oxidation reaction that involves oxygen

16

Heat of combustion

Excess heat that is given off in a combustion reaction

17

Hydrocarbon

Any compound consisting only of hydrogen and carbon

18

Oxidation reaction

The complete or partial loss of electrons or gain of oxygen

19

Substance control

A similar but uncontaminated sample

20

Pyrolysis

Decomposition of organic matter by heat

21

What are the 5 most common used accelerants

Acetone
gasoline
mineral spirits
turpentine
kerosene

22

How many carbons does the prefix meth have?

1

23

How many carbons does the prefix eth have?

2

24

How many carbons does the prefix prop have?

3

25

How many carbons does the prefix but have?

4

26

How many carbons does the prefix pent have?

5

27

How many carbons does the prefix hex have?

6

28

How many carbons does the prefix hept have?

7

29

How many carbons does the prefix oct have?

8

30

How many carbons does the prefix non have?

9

31

How many carbons does the prefix dec have?

10

32

How many bonds does the suffix ane have?

Single bonds

33

How many bonds does the suffix ene have?

Double bonds

34

How many bonds does the suffix yne have?

Triple bonds

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