"Cello and Goodbye" -- Langston becomes more determined than ever to track down Nake Haskell, the notorious "Dick & Jane" killer, after discovering that he's kidnapped his ex-wife, Gloria, on the 250th episode of CSI: CRIME SCENE INVESTIGATION, Thursday, May 5 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Pictured (L-R) Jorja Fox as Sara Sidle, Marg Helgenberger as Catherine Willows and George Eads as Nick Stokes. Photo: ROBERT VOETS/CBS ©2011 CBS BROADCASTING INC. All Rights Reserved