JA: the history of the science of hair banding
the late 1700's in the USA since the 1930's
JA: process?
three steps: collection, identification and comparison. Does with a microscope, a comparasion microscope are two high powered microscope...kind of like a split screen so I can compare the samples...if a characteristic is the same as another I can identifiy it is like the other.
JA: please give some info regarding how this works.
(I missed a big explanation)
JA: they do these examinations around the world?
yes
JA: in the literature is there something about decomp and the hair
yes
JA: history of that?
1988 Petraco, an evaluation of the morphology...they looked at hairs at all the growth stages...the portion of the hair the keratin was hardened...evaluation of human hair...journal of forensic sciences...can nuclear dna...enzyme mimicks one of the characterists of human decomp...