I read through this dialog the last time I paused the video, as I have now at the 45 minute point of the Comcast video, and the dialog meant nothing special to me until I actually watched the video, confirming that I witnessed a "The Lake House" letter instead of an occurrence of what I call a counter-paradox effect.
http://www.imdb.com/title/tt0337978/quotes
IMDb
The Internet Movie Database
Memorable quotes for
Live Free or Die Hard (2007)
[recognizing female terrorist's voice over the police radio]
Matt Farrell: That's her!
John McClane: "Her" who?
Agent Johnson: What're you talking about?
Matt Farrell: It's them.
John McClane: Are you saying it's "them" them?
Matt Farrell: I *swear* to you, I know her! I would know her voice anywhere!
[McClane picks up handset]
Matt Farrell: Don't say anything! Don't...
John McClane: Just keep your mouth shut for a minute.
[to terrorists over radio]
John McClane: Hey, Metro, how's your day goin' over there? Yeah, you gotta be pretty, uh, crazy over there, what with all those 5-87's, huh?
Mai Lihn: Yes, sir, we've had to dispatch all units.
John McClane: Yeah, you had to dispatch all units for all the naked people walkin' around?
http://www.imdb.com/title/tt0337978/quotes
IMDb
The Internet Movie Database
Memorable quotes for
Live Free or Die Hard (2007)
Thomas Gabriel: [about McClane] You're a Timex watch in a digital age.
http://www.imdb.com/title/tt0337978/quotes
IMDb
The Internet Movie Database
Memorable quotes for
Live Free or Die Hard (2007)
Matt Farrell: Have you done stuff like that before?
John McClane: Stuff like what?
Matt Farrell: Like killing people?
John McClane: Yeah. But not for a long time.