In this scene from "Blood Money," Jane speaks with the mother of a suspect. The episode originally airs on 4/22/10.
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Even a senile mother can be a suspect in a crime. Don't worry, Jane is on the case!
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A district attorney is found dead on the episode "Blood Money." Lisbon and Jane are spotted here in a scene from it.
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This is a photo of Jane and Lisbon from the episode "Blood Money." It's the 4/22/10 installment of The Mentalist.
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Patrick Jane looks into the suspicious death of an Assistant District Attorney by a hired hitman on the episode "Blood Money."
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Jane speaks with a suspect in this scene from "Blood Money." It's the 4/22/10 episode of The Mentalist.
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The Mentalist Season 2 Episode 19 Quotes

My point - there is nothing wrong with revenge.

Jane

Nobody gets away with killing a cop, judge, or a DA.

Lisbon