Yes, this is a shot of Patrick Jane in jail. That's where we meet him on the fourth season premiere.
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Jane looks to be doing fine for himself in prison, doesn't he? But how will he extricate himself from this position?
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Lisbon never thought she'd be visiting Jane here. She's sitting across from him in jail on the season four premiere.
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The Mentalist Season 4 Episode 1 Quotes

Pain killers are amazing these days.

Lisbon

I'm happy to stay in jail for now. It'll give me a little time to think about things.

Jane