'Catherine: (alarmed) What are you doing?
Grissom: Bones are porous. They stick to the tongue (puts piece in mouth again) and this doesn't stick. (puts it back down) It's a piece of rock.
Catherine: I-I hope you had your hepatitis B shot. (Grissom gets up and starts searching for more bones, Catherine follows) Did you? (Cuts to Grissom and Catherine walking toward a cadet, who may have found a piece of bone)
Grissom: Could be a piece of wrist bone.
Catherine: Well, do you want to suck on it? To be sure?

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