This The Mentalist screencap contains
ruiterpad, hoofdstel weg, and hoofdstel pad.
There might also be
horse trail, paarden parcours, soort eik, live oak, beuken, beuken boom, and beuk.
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 door a drone strike