Amanda's husband Jordan Alan (@jordanalan00) has tweeted "for my beautiful wife, congrats on her final season. now she can have opportunities to show her amazing talent"

I don't know if that means Amanda's leaving or if it means this is the last season for TheMentalist. Either way, he's probably in trouble!

 

Update: Amanda has tweeted a reply to her husband "thanks babe. Kisses", so it seems that she has no problem with him revealing this information.

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The Mentalist 6.01 Spoilers (as posted by Peithon in the Forum) 

 

Gale Bertram. Ray Haffner. Bob Kirkland. Sheriff Thomas McAllister. Brett Partridge. Reede Smith. Bret Stiles. What I know… by way of series boss Bruno Heller… is that "by the end of the premiere episode, there may be one less suspect” in the hunt for Red John.
http://tvline.com/2013/07/25/the-mentalist-teen-wolf-walking-dead-chicago-fire-spoilers/

"Jane and Lisbon are hot on the trail of Red John in the season premiere, but a disagreement on how to handle the situation may leave one of them in danger before the episode is over," creator Bruno Heller told us about the episode.

 

Josie Davis will guest-star in the season premiere of The Mentalist and will play Sonya, a waitress

in a truck stop Jane (Simon Baker) and Lisbon (Robin Tunney) visit while investigating the seven possible Red John suspects. Davis, best known for her role on the '90s sitcom Charles in Charge, most recently starred in the Lifetime movie Dirty Teacher.
http://www.tvguide.com/News/Josie-Davis-Mentalist-1068260.aspx