This The Mentalist screencap contains
balançoire, swing, grillage, and clôture grillagée.
There might also be
prison, tintement, slammer, poky, rikiki, clink, pokey, and établissement pénitentiaire.
As the CBI investigates the murder of a young girl and the abduction of her twin sister, Lisbon suspects that Red John is trying to draw Jane into a trap.