Dr. Arpad Vass is a forensic anthropologist and research scientist at the Oak Ridge National Laboratory in Tennessee.
Dr. Vass has developed a procedure called Decomposition Odor Analysis or DOA which he says will will help identify over 400 vapors that come from a decomposing or decayed body.
Dr. Vass testified in the trial of Casey Anthony, a mother accused of killing her three year old daughter. Dr. Vass’ DOA technique was allowed into the trial as evidence for the first time in history.
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