A man suffering from Capgras Syndrome (believing his loved ones have been replaced by imposters) after a traumatic brain injury.
However, the episode titled is actually the two-part finale of Season 1 (Episode 22) and the premiere of Season 2 (Episode 1). If you are looking for Season 7, Episode 3 , that episode is titled " Dorado Falls " . The Puzzle Pieces in " The Fisher King " (S1E22 / S2E1) [S7E3] The Fisher King
The "piece" for the puzzle was a section of a large map or picture that, when assembled, revealed the location of his "Grail"—his daughter, Rebecca. A man suffering from Capgras Syndrome (believing his
In this storyline, the Fisher King lures the team into a "quest" for the Holy Grail by sending them individual clues or physical items. The Puzzle Pieces in " The Fisher King
If you specifically meant Season 7, Episode 3, the "piece" of evidence crucial to that case involves:
The team has to piece together his military background and the specific trigger of a car accident to stop his mass murder spree at an internet security company. "Criminal Minds" The Fisher King: Part 1 (TV Episode 2006)
Each team member receives a personal item or message while on vacation that leads them back to Virginia.