THE NCIS TEAM INVESTIGATES WHEN A PETTY OFFICER COMMITS SUICIDE AFTER BEING INSTITUTIONALIZED IN A MILITARY HOSPITAL, ON "NCIS," TUESDAY, APRIL 12

"Conspiracy Theory" -- The NCIS team investigates when a Petty Officer commits suicide after being institutionalized for a nervous breakdown, on NCIS, Tuesday, April 12 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Jeff Woolnough directed the episode from a script by Frank Military.

Gibbs and the team are stunned when Ducky tells them that the Petty Officer, who claimed to have a stalker, was in fact murdered and did not commit suicide. With the help of FBI Agent Fornell (guest star Joe Spano), the team�s investigation reveals the Petty Officer was a victim of a twisted love triangle involving her C.O., who was being investigated by the FBI for kickbacks received from Navy contractors.

NCIS Special Agent Leroy Jethro Gibbs: Mark Harmon
NCIS Special Agent Caitlin Todd: Sasha Alexander
NCIS Special Agent Anthony DiNozzo: Michael Weatherly
Dr. Donald "Ducky" Mallard: David McCallum
Abby Sciuto: Pauley Perrette
NCIS Agent Timothy McGee: Sean Murray
Jimmy Palmer: Brian Dietzen
Sr. FBI Agent T.C. Fornell: Joe Spano
P.O. Jessica Smith: Hilary Salvatore
Lt. Col. Allan Witten: Dean McDermott
Catherine Reynolds: Brigid Brannagh
Captain Vetter: Dan Ziskie
Audrey Vetter: Molly Hagan
Lynn Simons: Jennifer Dundas
Officer Alex Taylor: Robert Manning, Jr.
Corpsman Timothy Morgan: Jonathan Redford
William the Truthteller: Kevin Quigley

RATING: To Be Announced