THE CSIs' INVESTIGATION OF A WOMAN MAULED TO DEATH BY A MOUNTAIN LION LEADS THEM TO VISIT GRISSOM'S FRIEND, DOMINATRIX 'LADY HEATHER' - NOW DOCTOR HEATHER KESSLER, ON "CSI: CRIME SCENE INVESTIGATION," THURSDAY, APRIL 7

Melinda Clarke Returns as Dr. Kessler, Formerly Lady Heather

"Unleashed" - Langston and Sara turn to Lady Heather for help in tracking down the culprit responsible for injuring a woman before she was seemingly mauled to death by a mountain lion. Meanwhile, Nick and Dr. Robbins manage to rescue the unborn baby of a teenage girl who appears to have committed suicide, on CSI: CRIME SCENE INVESTIGATION, Thursday, April 7 (9:00-10:00 PM, ET/PT) on the CBS Television Network. Melinda Clarke returns as dominatrix-turned-therapist, Dr. Heather Kessler (formerly Lady Heather).

SERIES REGULARS:

Dr. Raymond Langston...... Laurence Fishburne
Catherine Willows...... Marg Helgenberger
Nick Stokes...... George Eads
Captain Jim Brass...... Paul Guilfoyle
Sara Sidle...... Jorja Fox
Greg Sanders...... Eric Szmanda
Dr. Robbins...... Robert David Hall
David Phillips...... David Berman
Hodges...... Wallace Langham

RECURRING CAST:

Archie Johnson .Archie Kao
Conrad Ecklie . ..Marc Vann

GUEST CAST:

Lady Heather/Dr. Kessler Melinda Clarke

WRITTEN BY: Ed Whitmore & Anthony E. Zuiker

DIRECTED BY: Brad Tanenbaum

RATING: To Be Announced