At Keppler's request Catherine uses a different approach to catch the killer, and in doing so she deceives the rest of the CSI team. The team soon discovers that something is amiss in Catherine’s investigation.
Quest roles:
David Berman(David Phillips), Jon Wellner(Henry Andrews), Gerald McCullouch(Bobby Dawson), Louise Lombard(Sofia Curtis), Liev Schreiber(Michael Keppler), Darris Love(Ezekiel Holstein), Gill Gayle(Apartment Manager), Larry Mitchell(Officer Mitchell), Conor O'Farrell(Jeffrey McKeen), A Martinez(Assemblyman Danilo Zamesca), Adam Nee(Edwin 'Rat' Dennison), David Fabrizio(Thomas Simon), Jernard Burks(Lot Attendant), Geno Monteiro(Bartender), Suzy Cote(Monique Carter)