Former Homicide: Life on the Street star Reed Diamond has signed on to guest-star on The Mentalist, TVGuide.com has learned.

 

Diamond will play a confident CBI supervising agent who runs a tight ship. As we previously reported, Diamond's character will lead a group of agents assisting Lisbon (Robin Tunney) and her team with the investigation of a personal trainer's murder. Something tells us the CBI may not be big enough for both teams.

 

Diamond, 44, is best known for his work as Detective Mike Kellerman on Homicide. He has recurred on such shows as Judging Amy, Dollhouse, and 24, and he played the pivotal role of Detective Terry Crowley in The Shield's pilot. He currently stars on TNT's Franklin & Bash.

 

Diamond is slated to appear in Episode 2 of The Mentalist's fourth season.

 

 

Fans hoping for a reunion of star-crossed lovers Rigsby and Van Pelt will have to be patient. "There will be a new love interest brewing for my character, likely someone we saw Rigsby strike up a flirtation with in seasons past," says Owain Yeoman, who adds that the most obvious candidate is Sara, a "kooky girl" he met at a dating agency last season. "We had this funny interrogation scene and then she asked me out on a little date. I loved working with her and people reacted favorably."

 

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The previous photos have been replaced with these better quality ones

 

 

Update: goforlocation confirm that this is at the closed Nelles Youth Correctional Facility. where they filmed 3.21 Like a Redheaded Stepchild

 

 

 

 

 

This is how it usually looks

(Brief Mentalist coverage at start, but tells us nothing we don't already know)

 

 

 

"I am also hearing that there may be some new faces in the CBI this season. The show's looking for a few agents to comprise a team to assist Lisbon and her crew in the investigation of a physical trainer's death. But I wouldn't worry: No matter how good the newbies are, they don't have Patrick Jane on their side."

 

 

"Welcome back to all! We're on Stage 9, shooting day one of season 4"