CSI: Crime Scene Investigation, Season 3

Sara:
(a phone book get thrown into the hallway as Sara goes by and she jumps back) Why are you throwing phone books?

Warrick:
'Cause a beaker gets glass all over the place.

Sara:
(sweetly) What's wrong?

Warrick:
It's this curtain that the porn girl was found wrapped in. I've got no prints, no second donor. I've got nothing to link this porn guy to the girl's murder. It's just driving me nuts.

Sara:
(sarcastically) I'm fine.

Warrick:
(realises he almost hit her) I'm sorry. Are you okay?

Sara:
(smiles) Yeah. (puts her hand on his shoulder) You missed me by a mile. We may have something.

Warrick:
Really?

Sara:
Right here. I wanted to show you. When he's stabbing her, she's bleeding all over him.

Warrick:
Well, a void proves that, but we still can't prove it's him.

Sara:
Yeah, but her blood might. Catherine and I suspect transference. She had HIV.

Warrick:
Well, how are we going to get a sample of Sampson's blood?

Sara:
Warrant, based on the butterscotch dirt that you found on his car.

Warrick:
(has a lightbulb moment) Oh, I like that.

Sara:
(smiles) You might want to apologize to the phonebook.