CNN Forensic Files July 26, 2015 06:57:00
Where we said, here's the final piece of the puzzle. if this is leaded gasoline, it all makes sense, and it makes sense it would be there and why. >> forensic tests also revealed how the fire started. a cigarette dropped onto a polyurethane sofa will simply smolder. but when a match is dropped on the same material, it's almost like an explosion. and tests revealed that another aspect of paul's story was correct. that when he poured water on the fire, it got worse. >> the average person wouldn't know that polyurethane melts and then when you throw water on it, it actually flares up like a greas...