Grissom takes his leave from a mostly grateful team and finds his successor by hiring criminology professor Langston, initially as consultant in the serial killer Nate Haskell and copy cat case, their last viz. first. Nate won't cooperate, but analyzing his eye-contact with students helps identify his cahoot and fancy forensics plus victim disposal routes analysis help track down the torture layer he 'inherited' from the original killer.
Did You Know?
This is a rare example of a 2 part story that in parallel; is a 2 hour finale story which "finishes" the story arc of 2 main characters, is in effect a back door pilot soft-reboot which introduces a new character, is a follow-up to an earlier story arc, and could actually have been the final episode of CSI if it had been cancelled, as in effect these first 10 episodes of season 9 could be unofficially considered episodes 18-27 of the truncated season 8. See more
The tracking shot of the camera on the jungle's trail disturbs the vegetation causing movement of leaves and small branches. See more
[Walks in as Grissom is cleaning out his office
Okay. So this is really real. Fine. So, as your friend and colleague I feel that it is my obligation to inform you what a colossal mistake you're making. Grissom:
Guys like us just don't get to hang it up. This job is who we are. We are the thin blue line between order and chaos. You take yourself out of the equation, who knows what's gonna happen. That's the Butterfly Effect. You taught me that. The bad guys will win more if we don't ...