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Dr. Cal Lightman leads the Lie to Me unit.

In charge of The Lightman Group, he's considered the leading deception expert in the world, a scientist that studies facial expressions and involuntary body language to discover both whether or not you're lying; and the reason for the lie.

Dr. Cal Lightman Quotes

Martin Walker: A good chess player thinks five moves ahead.
Cal Lightman: Great chess players only think one move ahead, but it's always the right move.

The only way three people can keep a secret is if two of them are dead

Cal

Lie to Me Quotes

Martin Walker: A good chess player thinks five moves ahead.
Cal Lightman: Great chess players only think one move ahead, but it's always the right move.

Weil: You haven't done enough muck-raking for one day?
Ria: Sir. We don't think you were doing anything sexual at that club, because, I believe this escort, Melissa, who you paid for time with-
Weil: What about her?
Ria: She's your daughter.