Did Callen manage to find a way to get to Katya?
On NCIS: Los Angeles Season 13 Episode 4, tensions mounted as the threat continued to intensify.
Meanwhile, Kilbride enlisted the NCIS to help find some stolen guns.
What did they learn about the person who stole the guns?
Elsewhere, a media frenzy ensued when the son of a mob boss was found dead.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.