After replacing actor William Petersen 2 years ago, Laurence Fishburne has also decided to hang up his C.S.I. badge and gun. Fishburne has not been able to increase the ratings since coming on the CBS show and replacing William Petersen. Laurence Fishburne who portrays Dr. Raymond Langston says he's having fun portraying the character, but after his contract ends after the 11th season in May he will close out his relationship with the show.  EW reports that CSI is expected to bring on a new character to replace Laurence Fishburne after season 11.

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