"Cypher" - After police department brass receive taunts from an elusive serial killer who adopts the identity of each victim, Ellison is assigned to the case. He is quickly prepared to make the big arrest until Sandburg, unaccustomed to undercover policework, accidentally tips the suspect off and enables a quick escape. Frustrated, Captain Banks questions Sandburg's involvement with the department. He then receives assistance from FBI forensic psychiatrist Dr. Anthony Bates, who provides invaluable insight into the killer's thought process. While Sandburg tries to redeem himself, he becomes the killer's next target, on "The Sentinel" airing WEDNESDAY, APRIL 24 (8:00-9:00 p.m., ET/PT) on UPN.
Starring are Richard Burgi as Detective James Ellison, Garett (cq) Maggart as Blair Sandburg, Kelly Curtis as Carolyn Plummer and Bruce A. Young as Captain Simon Banks.
Guest starring are Kelly Hu as Christine, Dennis Christoper as Anthony Bates/Lash, Greg Rogers as Haas and Tom Heaton as Lash.
The episode was written by Laurence Frank and directed by Mike Vejar.