Vance's past is explored on the NCIS episode "Endgame." This is a scene from it.
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Vance and Gibbs look focused, as usual, in this NCIS scene. It's from the episode "Outlaws & In-Laws."
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NCIS fans are already familiar with Leon Vance. He got his start on the original series and will also appear in NCIS: Los Angeles.
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Leon Vance is the director of NCIS. He's also now in charge at NCIS: Los Angeles.
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NCIS Quotes

McGee: Rule number 70 - keep digging till you hit bottom.
Abby: McGee! There is no rule 70.
McGee: Well, I--
Abby: You just made up a rule. This McGibbs thing has really gone to your head. I don't even recognize you right now.

[voiceover] Anyone can achieve their fullest potential, who we are might be predetermined, but the path we follow is always of our own choosing. We should never allow our fears or the expectations of others to set the frontiers of our destiny. Your destiny can't be changed but, it can be challenged. Every man is born as many men and dies as a single one.

McGee