>>According to the CSI episodes it would seem that they already have. They find a bit of "epithelials" at a crime scene, do a DNA anal. on it and, after a few minutes clicking, whirring, beeping, flashing and rapid pointless typing, they get a full-colour driving licence, with photo!
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>Ah, but that's only because everybody who ever left an epithelial for the CSI crew to find had been either a criminal previously, or in the army. Nobody normal is ever a victim or a perp in a CSI episode.

No I've seen "vic" DNA turned into a driving licence, or college registration, even those of others' DNA found round the scene. Anyway, when I did biology, epithelial cells were the soft, non-epidermal cells, such as inside the mouth ("squameous")

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>The two most often used 'phrases' in CSI folkdom are 'epithelials' and 'petichial hemmhoraging'. It's astonishing really how often these things come up.

It amazes me that these people know EVERYTHING, down to the chemical structure and nature of yacht varnish or elephant hair carbon content. AND they still go out on arrests AND, despite their vast knowlege, obvious high education, qualifications, and non-expendability, they're first in the house searches, sometimes unvested, in front of the helmeted SWAT members whose speciality THIS IS! What heroes!!!