'NCIS Los Angeles' Spoilers, News: Agents Try To Uncover Mole Within OSP

Agents from the Office of Special Projects (OSP) will try to find the mole in their midst and stop him from targeting fellow agent Hetty Lange in Episode 4 of "NCIS Los Angeles" Season 6, which airs tonight, Oct. 20, on CBS.
In a promo clip released for the episode, Hetty (played by Linda Hunt) is seen jumping out from what appears to be a second story window into a pile of garbage bags on the ground. The rest of the agents are seen avoiding a sniper who is taking shots at them.
Also in the synopsis released by CBS, Nate Getz, the psychologist, will have his work cut out for him as he helps Nell deal with having killed a person for the first time in the line of duty.
As for the episodes ahead in the season, Carter Matt has more screen time on episode titled "Black Budget," which is set to air on Oct. 27. In that episode, Sam and Callen are assigned to travel south of the border to Mexico to track down a person who managed to survive a professional-style shooting at the Department of Defense. The rest of the team meanwhile tries to uncover the motive behind the shooting.
On Nov. 3, in the episode titled "SEAL Hunter," the team will have to work to clear one of their own who is accused of murder. In this episode, Sam gets arrested after he is accused of murdering a woman. The team will split up trying to solve the case. Marty Deeks (played by Eric Christian Olsen) and Kensi Blye (played by Daniela Ruah) will find a clue that will later lead them to a student known to Sam in the past. As for G. Callen (played by Chris O'Donnell) and Granger, they will work to clear Sam of the charges slapped on him.