On the December 11 episode of CSI, Laurence Fishburne joins the cast in the role of Raymond Langston.

Here's a look at the new investigator alongside Gil Grissom (William Petersen):

A CBS press release describes the episode in which Langston first appears as follows:

"When a new murder leads to a connection with an infamous serial killer, Grissom secretly joins the class of well-known criminal pathologist Dr. Raymond Langston (Fishburne), to gain access to the killer and get a crack in the case," which involves the "Dick and Jane Killer."

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