With CBI rocked by a violent Red John-related death on last night's episode of The Mentalist, Patrick Jane (Simon Baker) will now have to contend with the possibility that one of his trusted teammates had a hand in the murder. Enter Special Agent J.J. Laroche (Murder One Emmy winner Pruitt Taylor Vince), who arrives December 9 to launch an investigation into suspects Rigsby (Owain Yeoman), Van Pelt (Amanda Righetti) and Cho (Tim Kang).Tom Szentgyorgyi . The intense probing will uncover secrets about the team and threaten to destroy the Rigsby/Cho/Van Pelt dynamic.Will one of the three be found guilty of the murder — and have ties to Red John? "I can neither confirm nor deny — I can't even approach that," says Szentgyorgyi. But he does reveal, "In 2011, the investigation will take a startling turn and the team will change dramatically."