Detective Danny Messer: Well, a knife is just a knife until you stab somebody with it.

Detective Danny Messer: [as he, Lindsay, and Hawkes walks into the crime scene] Got your call. Team's all here.
Det. Stella Bonasera: [sighing] Great, thanks.
Dr. Sheldon Hawkes: We came as soon as we could.
Detective Lindsay Monroe: [looking at the brandy glass full of pills on the table] What's with all the pills?
Det. Stella Bonasera: It's a pharm party.
Detective Lindsay Monroe: What's a pharm party?
Det. Stella Bonasera: Pharmaceuticals. Empty your parents medicine cabinet and pop until you drop. Rich kids idea of fun. At first glance I've got Lithium, serdalyne and fluoxatine. Most of these drugs don't even get you high.
Det. Mac Taylor: [walking into the room] Stella and I are going to run with this one. Danny check the service entry area there's an elevator there, secondary exit. Sheldon bag up these bottles get them over to Lindsay she'll be in trace.
Detective Lindsay Monroe: Sir, I've worked big crime scenes before. I've got two hands I'm ready to work.
Det. Mac Taylor: This is a high profile case Lindsay. I want you in the lab and I need your full attention. Remember anything we find here can take us to Darius. Be careful, be thorough.

Detective Danny Messer: [Danny and Mac need to retrieve a piece of evidence from a sewer grate, and Tony, the Midtown Fisherman, has made a device he uses to "fish" things out of grates on the street] Mr. Fisherman, we're in a hurry. Do me a favor, let us borrow your gadget.
Tony the Midtown Fisherman: [glaring] No. Get your own.
[Mac pulls out his badge and shows it to Tony]

Detective Don Flack: [knocks on a man's door. A man opens it, standing in his underwear, holding a beer and scratching his chest] Never mind. [reaches for door handle to pull door closed] Carry on, sir.

Detective Don Flack: Dispatch just called. Someone did a hospital job on Louie Messer, Danny's brother. Beat him within an inch of his life.

Detective Don Flack: What's that bulge in your pocket? And don't get cute.
[On his way home from work, Danny had found a body in the subway. They are now done with the case, and he is leaving to go home once again]

Detective Don Flack: [about the students shot execution style] How did this happen? There were security guards at every one of the Endecott's Manhattan properties.
Lieutenant Horatio Caine: [about Darius] He's gotta be here somewhere.
Det. Stella Bonasera: Are we sure this is Darius?
Det. Mac Taylor: Take a good look at the position of these kids. Look familiar?
Det. Stella Bonasera: Yeah, those nurses in Midtown. He played in their blood.

Detective Lindsay Monroe: I guess you're one of those, "Do as I say, not as I do," daycare providers.

Detective Lindsay Monroe: [to Vivian Claven] You know, bruises age in a very specific way. First they're red, the color of the blood underneath. A day later, they darken to a bluish-purple. Then they turn green, then they fade to a yellowish-brown. Yours is just black. Too black. Wipe it off!

Detective Lindsay Monroe: [about their victim] His name is Jared Stanton. He lives at 73rd Street and Park Avenue.
Detective Mac Taylor: You can just say "73rd and Park." New Yorkers know what you mean.

Detective Mac Taylor: Betrayal is the oldest motive for murder in the book

Detective Mac Taylor: Maybe the vic heard the same thing.

Detective Mac Taylor: Now you had something Mr. Beaumont. Something that some of us who recently lost a loved one never had. Time. Time to make the most of what was left. That's what's precious.
Angie Watson: You have very beautiful eyes, y'know that?
Detective Don Flack: Thank you, now why don't tell me about the night you got collared.
Angie Watson: You got a girlfriend?
Detective Don Flack: Who did you give your gun to, Angie?
Angie Watson: I've been here before. Some cop or D.A. gets me to tell 'em what they need to know, makes a lot of promises, and how they're gonna get me out, a week later I'm still here in the same kind of trouble I was in before I said anything.
Detective Don Flack: We'll work something out. Would these eyes lie?

Detective Mac Taylor: Please.
Tony the Midtown Fisherman: [to Danny] You see that? A little politeness goes a long way

Detective Mac Taylor: To let us know the clock is ticking.