4.3.11 - protect Evidence Of Fire Cause In Origin

Question 1

What are the indicators commonly used to LOCATE Fire’s point of origin?

Answer 1

Fire patterns

Fire intensity / Charring

Witness statements

Incendiary devices

Question 2

What are indicators commonly used to identify possible SOURCES of fire cause?

Answer 2

Electrical breakers
Electrical wiring and receptacles
Incendiary devices
Appliances
Heating devices
Activity conducted on site

Question 3

What are possible causes of fire?

Answer 3

Accidental
Natural
Incendiary
Undetermined

Question 4

You just knocked down the fire. Describe how you would protect evidence from being destroyed or improperly handled during salvage and overhaul operations.

Answer 4

Halt overhaul activities

Leave all fire cause items in place and do not disturb

Notify supervisor for the need of Marshall 5

Question 5

This scene is suspected of arson, demonstrate protecting the scene until investigation is complete

Answer 5

1. Protect evidence by securing the immediate area from bystanders
2. Secure scene
   -cordon off hot zone with scene tape
   - Ensure all entrances are free from entry of unauthorized personnel
   - Begin fire scene watch log (F110)