Who was after Tom Olsen?
On NCIS: Los Angeles Season 14 Episode 11, Sam stepped in when he learned that someone from the past was hunting his best friend.
As the team used all of their resources to find out answers, it was down to Sam to find out whether he knew the person hunting his friend.
With ever-changing evidence, it was one of the trickiest cases of his career.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.