CSI: Crime Scene Investigation2000

Catherine Willows:
So how's your new toy working out?

Warrick Brown:
It's been downsized.

Catherine Willows:
Bummer. I know how you wanted to see that thing work.

Warrick Brown:
Well, it's the same difference, really. Air is drawn into the last tube the chalk absorbs the chemicals from the air. And mass spec will break it down at the lab.

Catherine Willows:
So why did you need the expensive one in the first place?

Warrick Brown:
[Cath smiles at his honesty] 'Cause it was cool.