CNN Forensic Files June 18, 2014 06:38:00
Side. >> lane then drew a diagram of the floor plan and charted the burn patterns using an arrow to point toward the heat source. >> examining this pattern indicates the direction of fire flow starting at the bottom of this pattern, where we first see charring, and then at the top of this where we see charring. if we drew a line across there, it gives us a direction from which the fire started. >> then he looked for visible signs of an accelerant, like gasoline, which makes a fire burn faster an...
Source: archive.org