In this season, Ziva quits the Mossad to become an actual NCIS agent and studies for her United States citizenship exam. Her will they-won't they romantic tension with DiNozzo simmers satisfactorily over the course of the season. The season draws to a close as Gibbs is later kidnapped by someone working for Paloma Reynosa, the daughter of the late Pedro Hernandez, a drug dealer Gibbs himself shot dead twenty years previously as Hernandez had been responsible for killing Gibbs' first wife Shannon and daughter Kelly.