There's some tension and some controversy within the NCIS team. During the episode "Good Cop, Bad Cop" a Marine is found dead.
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Gibbs and Tony have a lot to go over during the episode "Good Cop, Bad Cop." The death of a marine casts suspicions on Ziva.
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Ziva David is the center of the episode "Good Cop, Bad Cop." During the hour, a connection between her and a deceased Marine is discovered.
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This is a scene from "Good Cop, Bad Cop." During the episode, the team discovers a connection between Ziva and a dead Marine.
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There's a deceased Marine on the episode "Good Cop, Bad Cop." Gibbs and Vance look into it.
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NCIS Season 7 Episode 4 Quotes

Gibbs: You're superstitious?
Vance: I'm a little stitious.

The Americans left you, Ziva. Your family never has.

Ben-Gidon