Jane discovers an important clue to Red John's methods as the team encounters four of the suspects, and the CBI investigates the case of a software engineer killed Von a drone strike
The Mentalist 6x10 "Green Thumb" - The FBI reluctantly enlists Jane's help to find a missing computer programmer, but he won't help unless Lisbon is brought on board as well, on THE MENTALIST, Sunday, December 8th on CBS.