Low Burning and Holes In The Floor. What is the Myth?  Burn marks on a floor indicate that a fire was set on purpose because…  heat rises  fires only.

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FORENSIC ASPECTS OF FIRE INVESTIGATION

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Presentation transcript:

Low Burning and Holes In The Floor

What is the Myth?  Burn marks on a floor indicate that a fire was set on purpose because…  heat rises  fires only burn upward  Come to the conclusion that the fire must have been set by pouring a liquid on the ground and lighting it.

Why is it a Myth?  When fires reaches flashover the entire room can have burn marks  Flashover is the point when an entire room ignites  Extreme heat produces burn marks or even burn holes in the floor

How Does it Affect Investigation?  It makes it more difficult to tell if the fire is actually arson  People are incorrectly charged for mistaking an accident for a murder OR fires are scene as an accident when they are actually on purpose