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A serial killer is on the loose, and the CSIs race to find the answers. The killer has a clear knowledge of forensics and has done an excellent job of leaving no clues, however. As the investigation stalls, the FBI are called in by the Sheriff, which angers Gil to the point where, duee to his intransigence, he is ordered to stand down from the case and let the FBI supervise things. His CSIs, though, keep him apprised of their findings, though Gil can't be a direct part of the investigation.
Catherine: When we zig, he zags.
Sara: Do we have a breakfast budget, Grissom?
Grissom: I believe Catherine was going to requisition one.
Sara: Good, cause our plates are up, and nobody has any money.
Gil: Well, look for prints.
Catherine: Don't bother. There aren't any. Just like the last time. The guy's Mr. Clean.
Gil: Now we just have to find the guy and hope that he hasn't done his laundry.
Greg: Freaky, huh?
Catherine: Freakiest semen I've seen in a while.
Sara: I'm going to do it, Grissom. I want to.
Gil: You want to put yourself in the path of a psychotic killer?
Sara: I'm trained in weaponless defense.
Gil: Too bad, because that's what turns him on -- women fighting back. Gives him a greater sense of power when he makes his final kill.
Greg: You got a hot dog?
Catherine: This one of your jokes, Greg?
Greg: I got the ketchup.
Catherine: All of which I'm sure you'll share with the FBI.
Gil: I'm sure.
Catherine: Hey ... is it so bad to avail our lab to the resources of the federal government?"
Gil: You've been to talking to our Sheriff.
Catherine: I've been listening to our Sheriff. He says that you won't.
Gil: Yeah, yeah, I know. And if I don't shape up he going to have Ecklie take over the case.
Catherine: Well, no. He preferred someone from night shift and it may be more than just this case.
Gil: Ah. Now that the trees are gone, I can almost see the forest.
Catherine: Gil ... learn to be more politic.
Gil: (to Sara) Sometimes, the hardest thing to do is to do nothing.
Gil: Occasionally I'm struck by the absence of evidence.
Gil: Oh, do I get the weekend off?
Sheriff Brian Mobley: For starters ... and a two-week holiday ... anywhere but CSI. You brought this on yourself. Now, the next time you want to play with my career, maybe you'll think twice.
Hunter F. Baumgartner: Believe me, Mister, the last place that you will find me is in a woman's bedroom. Unless we're discussing window treatments.
Gil: Did you come here to tell me about your new job?
Catherine: I told the Sheriff I'd pass.
Gil: You don't want to be a Supervisor?
Catherine: Well, if I get a promotion, I want it to be on merit ... not because you're politically tone-deaf.
Catherine: (to Gil) So, our guys are outside in their Tahoes. If you're a civilian, we are. Except we are putting in for overtime.
Catherine: Never doubt and never look back. That's how I live my life.