Les Dutton: Are you sure it's Petrov?
Catherine: Coroner made a positive identification.
Les Dutton: What makes you think that this event happened here?
Catherine: We found traces of aspic and olive oil under his fingernails. Means that he went into the meat grinder without showering. Possibly straight from this kitchen.
Les Dutton: If there was a murder in our kitchen don't you think that, uh ... I'd know about it?
Catherine: I don't know. Would you?
Grissom (looking around the kitchen): Hey, Cath. Blood spatter.
Les Dutton: It's a kitchen. Chefs use knives. It's not uncommon. You are...
Grissom: Gil Grissom. I'm with her. (points to Catherine)