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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. .
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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 flashoverthe 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