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G---GRISSOM
S---SARA
W---WARRICK
R---GREG

G: Hey, is that from the deli?
S: Egg salad sandwich. You want half?
G: No. __①__?
S: Yeah. You can have it.
G: Oh, that's a nice one.
S: You turned my pickle into a light bulb.
G: I'm electrocuting it.
S: You sure are.
W: That would explain that smell.
G: This is how I cooked my hot dogs in college. Check out the burn marks.
S: There are none.
W: Just like Valenti's body. __②__.
G: Pickles are high in sodium content.
W: And sodium is conductive, just like iron.
G: __③__. Burn marks are the physical evidence of that heat. But ... __④__?- no heat, no burn marks.
W: Roger Valenti's body offered up no resistance because of the excess iron in his blood.
S: The iron conducted the electricity.
W: Making his body one big wire - path to ground.
S: In through his hand from the drill; out through the nail in the boot.
G: No burn marks, but he was still electrocuted.
W: So, you've just proved murder.
R: __⑤__. Don't go shooting the messenger. Thumbprint from the nail.