Suspicion is the twelfth episode in Season Four and also the eighty-second episode of the entire NCIS series.
A Marine intelligence officer is found dead in a hotel room in the small town of Edenvale, prompting NCIS to investigate. Unfortunately, when they arrive, the NCIS team discover that the Sheriff's Department have a suspect- an Iraqi national who had just moved to the town a few months earlier with the team also discovering that Edenvale is a town where prejudice and suspicion is well and truly alive among the town's population....
At a motel in Edenvale, Patrick Carmody emerges, wearing nothing but a towel that's wrapped around the lower part of his body.
He then heads to his car, unlocking it and as the boot opens up, Carmody produces a suitcase and takes it before locking it again.
However, just as he heads back, the door closes.
Carmody attempts to open the door but it won't budge.
"Crap", Carmody mutters.
He then heads to the main area and looks in the window but there's no-one at the desk.
Carmody bangs on the window but there's no response.
"You gotta be kidding me", Carmody states.
Giving up, Carmody then heads back down the path and arrives outside the room designated "1" which is right next door to his room titled "2".
Carmody bangs on the door and reveals that he's from next door and that he locked himself out before stating that he just needs them to call the front desk.
Carmody then bangs on the door again but there's no reply.
Suddenly, he stops and glances down with the sight leaving Carmody appalled.
"Holy mother of God", Carmody says, horrified.
It then cuts to show Carmody's feet which are now completely soaked with blood that is seeping through the door and onto the mat.
- Abby reveals that when she was eleven years old, she had a paper round.
- It's revealed that Gibbs brings his own coffee grind with him whenever he goes on overnighters.
- The song playing when Abby test-fires the gun in her lab is VETO - You Are A Knife.
|Leroy Jethro Gibbs||Mark Harmon||NCIS Special Agent in charge of the NCIS Major Case Response Team.|
|Anthony DiNozzo||Michael Weatherly||Senior Special Agent and second-in-command of the NCIS Major Case Response Team.|
|Ziva David||Cote de Pablo||Mossad Liaison to the NCIS Major Case Response Team.|
|Abigail Sciuto||Pauley Perrette||Chief Forensic Specialist, NCIS.|
|Timothy McGee||Sean Murray||Junior Agent of the NCIS Major Case Response Team.|
|Jennifer Shepard||Lauren Holly||NCIS Director. Despite being credited, Holly does not appear in this episode.|
|Donald Mallard||David McCallum||Chief Medical Examiner, NCIS.|
|Dr. Jeanne Benoit||Scottie Thompson||Tony's girlfriend.|
|USMC Major Bradley Raines||Mark Derwin||Marine Corps Intelligence Officer and Lieutenant Rihama Shaheen's immediate superior.|
|Sheriff Tom Barrett||Brian Howe (actor)||Sheriff of Edenvale who assists the NCIS team in investigating Lieutenant Rihama Shaheen's murder.|
|Ruby Rae||Lynsey Bartilson||Edenvale forensic scientist who processed the evidence at the crime scene where Lieutenant Rihama Shaheen's body was found.|
|Deputy Tyler Barrett||Jon Curry||Edenvale Sheriff's Deputy and also Tom's younger brother. Racist and paranoid, he hits on Ziva. Is later exposed as the one responsible for planting evidence in Tariq's garage, claiming he did for the greater good but fails to grasp just how much trouble he is in for doing so.|
|Masoud Tariq||Cas Anvar||Iraqi resident of Edenvale and who was formerly Captain Waseem al-Fulani of the Iraqi Republican Guard. Received U.S. citizenship in exchange for highly valuable information on the Iraqi insurgency.|
|Daryl Hardy||John Beasley (actor)||Masoud's nosy neighbor.|
|Patrick Carmody||Victor Raider-Wexler||Guest at the hotel and also the man who found Lieutenant Rihama Shaheen's remains.|
|Asad Al-Qutaji||Dylan Ramsey||Iraqi national.|
|Youssef Zidan||Kunal Nayyar||Iraqi national.|
|Lieutenant. Rihama Shaheen||Necar Zadegan||A member of the United Marine Corps and a Marine Corps Intelligence interpreter who is also the main murder victim.|