This The Mentalist screencap contains
royal palm, roystonea regia, street, city scene, urban setting, and business suit.
There might also be
american agave, agave americana, business district, downtown, maguey, and agave atrovirens.
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 by a drone strike