Patrick Jane will be getting into trouble with some cowboys when The Mentalist returns from its long hiatus.

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When a U.S. attorney is found dead south of the boarder, the faux psychic's investigative skills will put him on the trail of a separatist commune during "Black Helicopters." Meanwhile, Wayne Rigsby (Owain Yeoman) and Grace Van Pelt (Amanda Righetti) will call on a surprising face from the past to help determine who is spying on former members of the CBI.

Jane (Simon Baker) and co. appear to be heading out into the desert for episode 13, and not everyone they meet amongst the red rocks and cacti will be friendly.

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"Happy Holidays! Friday was our last shoot day before the new year; here's a good ol' cowboy who tangles with Jane," tweeted Emily Swallow (Kim) in mid-December as the cast and crew wrapped filming before the holiday season.

Back in California, Rigsby and Van Pelt will be enlisting the help of JJ LaRoche (Pruitt Taylor Vance), the former head of CBI internal affairs. Could the old team's former antagonist help unravel the mystery of who is keeping tabs on their old coworkers?

The Mentalist airs Sundays at 10 p.m. ET on CBS and will return on March 9. Click the video below to see a preview of the series' latest episode, "The Golden Hammer."