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The Descent of Man 

Nick and Riley investigate the case of a badly injured skydiver, while Dr. Langston investigates the death of a religious leader out in the desert.


Christopher Leitch (as Chris Leitch)


Anthony E. Zuiker (created by), Evan Dunsky




Episode cast overview, first billed only:
Laurence Fishburne ... Raymond Langston
Marg Helgenberger ... Catherine Willows
George Eads ... Nick Stokes
Eric Szmanda ... Greg Sanders
Robert David Hall ... Al Robbins
Wallace Langham ... David Hodges
Lauren Lee Smith ... Riley Adams
Paul Guilfoyle ... Captain Jim Brass
Liz Vassey ... Wendy Simms
David Berman ... David Phillips
Greg Germann ... George
Erin Daniels ... Schuyler
Charisma Carpenter ... Mink
Ivo Nandi ... Max Girard
Eric Allan Kramer ... Deputy Sheriff


Belgian tourist Pierre Delongue nearly died in his umpteenth sky dive, his equipment wasn't up to scratch, yet his team and its instructor are reputed for scrutiny. Nick's team works out what everybody is hiding and what happened. Langston's team is puzzled by the fate of a cult leader's corpse, found abandoned in the desert. Written by KGF Vissers

Plot Summary | Plot Synopsis


TV-14 | See all certifications »

Did You Know?


Erin Daniels and Lauren Lee Smith previously worked together on The L Word. See more »


One of the main plot points is that the ultralight plane was tracked on radar to near where the toxin was dropped and then back to the airport it came from. Almost all ultralight aircraft are too small and fly to low to the ground to show up on radar. See more »


Nick Stokes: Those Persian dudes are tough, man.
Dr. Raymond Langston: Well, they were once an empire that stretched half-way across the known world. The greek playwright, Aeschylus, wrote about the territorial ambitions of the Persian empire against Greece in his great cycle of tragedy and war "The Persians." Um - fifth century BC.
Riley Adams: I will definitely put that on my reading list.
Nick Stokes: Um-hmm.
Riley Adams: Does anybody wanna grab some breakfast?
Nick Stokes: Yeah. Yep.
Greg Sanders: Why are you always thinking about food?
Dr. Raymond Langston: None of you has read Aeschylus?
Nick Stokes: I've been meaning to.
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References North by Northwest (1959) See more »

User Reviews

Falling from the Sky
1 March 2021 | by HitchcocSee all my reviews

The horrible injury of a skydiver is investigated from several avenues. A religious charismatic with modern ideas is found dead in the desert with a crushed skull. And then a couple guys are found by a pool, decomposing after dying from something mysterious. This takes the CSI's back to their real mission of using science to solve crimes. I know it's a small thing but Ray's discovery at the end is based on his broad knowledge literature and science. I hate it when people are looked at respectfully for a lack of general knowledge.

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Release Date:

9 April 2009 (USA) See more »

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Aspect Ratio:

1.78 : 1
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