Patrick Jane's past returns in this episode of The Mentalist. Enjoy the official CBS preview for it.
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Here's a promo for the November 25, 2008 episode of The Mentalist. It's titled "The Thin Red Line."
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The Mentalist Quotes

As they say, you can take the girl out of Chicago but you can't take the Chicago out of the girl.

Jane

Tiger tiger burning bright in the forest of the night.

Red John