You don't have to step on a body to carry the smells of death with you on your shoes. For reasons we have just seen, the soil around a corpse is sodden with the liquids of human decay. By analyzing the chemicals in this soil, people like Arpad can tell if a body has been moved from where it decayed. If the unique volatile fatty acids and compounds of human decay aren't there, the body didn't decompose there.
( Mary Roach )
[ Stiff: The Curious Lives of ]
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