CSI: Crime Scene Investigation

Law of Gravity

Season 7, Ep 15, Aired 2/8/07
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  • Episode Description
  • Grissom returns from his sabbatical; Keppler is put into a compromising position when the bodies of a Trenton police officer and a hooker are found in a hotel room. The man who found them is a retired New Jersey cop and close friend to Keppler, who doesn't reveal their relationship.

  • Cast & Crew
  • Eric Szmanda

    Greg Sanders

  • Gary Dourdan

    Warrick Brown

  • George Eads

    Nick Stokes

  • Jorja Fox

    Sara Sidle

  • Louise Lombard

    Sofia Curtis

  • Fan Reviews (38)
  • Grissom returns from his sabbatical and receives a warm welcome from his colleagues. At the same time Keppler, in his final appearance on CSI, helps investigate a double murder in a hotel that may have ties to his shady past.

    By meathead704, Feb 11, 2007

  • Keppler RIP! Welcome back Grissom!

    By JPPT1974, Feb 09, 2007

  • This episode was interesting with a very complicated case, and great acting was displayed as always. It centers around Keppler and his past, which ties him to the present. The other news is that Grissom came back from his sabbatical.

    By gnb_rules, Feb 09, 2007

  • Grissom returns...so someone had to leave...SPOILER

    By DawgGirl8, Feb 09, 2007

  • Grissom's back.

    By InnocentWitness, Feb 09, 2007

  • Trivia & Quotes
  • Quotes (17)

    • Archie (about Keppler): He just disabled his GPS. Smart guy. Greg: Guilty guy.

    • Catherine: He's being set up. Grissom: Why? By whom? Keppler told me he didn't know Frank McCarty. Warrick: He also said that he didn't know the victim, maybe he's lyin' about that too. (Catherine gives him a look) I'm sorry, Catherine, I like the guy too but I'm just following the evidence. Nick: We should be talkin' to Keppler about this. Grissom: Where is he? Catherine: He was with me in AV, nobody has seen him since and he's not answering his cell. Nick: He knows where the eyewitness lives. Catherine: What're you sayin', Nick? Nick: I'm sayin' that if he was involved in these murders, Frank McCarty isn't the only one that we need worry about. Catherine: Well, PD's on their way to Suzy Gibbons apartment now. Grissom: Okay, grab Sara and go over there now. I'll call Brass and tell him to talk to Trenton PD and see who knows who. Catherine: Welcome home. (leaves) Grissom: Okay, what other evidence did Keppler handle? Nick: He brought back the three bullets from autopsy. Which didn't match the gun with his prints on it. Grissom: Could he have swapped the bullets? Nick: Anything's possible. Warrick: He also searched the dumpster where the homeless guy found the hooker's purse and cell phone. He told Catherine he didn't find anything. Wendy (walks in): I got your DNA results and the blood on the gun from Frank McCarty's hotel room, it doesn't match either victim, no hits in CODIS and the DNA print and screen markers say that it is from a black male. Nick: Keppler and McCarty were both Jersey boys, expand the search to the east coast. Wendy: Will do. I really hope he's clean. (leaves) Grissom: We have to treat him as a suspect. I'll tell Ecklie.

    • Keppler: She had a kid. Frank: Oh, god. Keppler: Why don't you tell me about the hand? Frank: She scratched me, Mike. Come on, what was I supposed to do? I couldn't take the chance that one of your guys would find my DNA under her nails. Keppler: Why, Frank? Frank: You know why. Keppler: That was a long time ago. Dennis never said a word. Frank: Yeah, but he was going to. He was about to be indicted. Wife, three kids, there was no way that he was doin' time. He was goin' down, Mikey, and he was takin' us with him. Keppler: He was a cop, Frank. You taught me that, you don't do that. Not even to save your own ass. Frank: Yeah, what about yours?

    • Grissom: I hear that there was some friction in the lab when I was gone. Warrick: Did you ever hear of reverse forensics? (Grissom looks up at him, a little shocked)

    • Grissom: Michael Keppler. Gil Grissom. (they shake hands) How's everybody been treatin' 'ya? Keppler: No complaints. You got a great team. Grissom: Yeah, thanks. Does Ecklie still have you slotted for days? Keppler: As far as I know. Grissom: I hear you're working the double homicide at the Olympia. Whaddaya got? Kepplr: Oh, bullets from Doc Robbins. I was gonna run 'em through IBIS. Grissom: Dead cop was from your home town, huh? Keppler: Yeah. Retired. Grissom: Did you know 'em? Keppler (scoffs): You know how many retired cops there are in Trenton? (pause) Well, it was great to finally meet you.

    Show More Quotes

    Notes (5)

    • International Episode Titles: Czech Republic: Zákon přitažlivosti (Law of Gravity)

    • Original International Air Dates: Denmark: February 23, 2007 on Kanal 5 Czech Republic: December 4, 2008 on TV Nova

    • Liev Schreiber makes his final appearance as Michael Keppler.

    • Music Featured In This Episode: Slow Dancing In a Burning Room- John Mayer Switchback- Celldweller

    • William Peterson (Gil Grissom) returns after three-episode hiauts.

    Trivia (4)

    • Goof: When Keppler is taken to the ambulance; the "code" would have been run in full, as per EMS/ACLS protocol.

    • Goof: After the phone conversation of Frank and Keppler, Keppler closes his phone (out of shot, but you hear the sound). In the next shot, you see him close his phone again, same sound.

    • Goof: When Mike is calling Catherine, a suspect's name, Eric Hong, appears on her cell phone's screen. CSIs don't need to save a suspect's private number.

    • David Hodges reveals that he participated in Grissom's class online and his screen name was Spanky743.

    Allusions (1)

    • Nick: Looks like it's just you and me again, Hoss. Hoss was the nickname of Eric Cartwright; a cowboy son of the ranch owner in the drama Bonanza. He was supposed to be the funny and lovable one.

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