Unexpected Visitors Arrive On NCIS: Los Angeles

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Eric Christian Olsen as LAPD Liaison Marty Deeks and LL COOL J as Special Agent Sam Hanna.

In "Citadel" (Season 7, Episode 2), DEA agent Talia Del Campo returns after her partner is murdered, forcing her to turn to the NCIS: Los Angeles team for help. Meanwhile, after Kensi grows suspicious that Deeks is hiding something, he surprises her and introduces her to his mom.