In the context of the popular crime drama Criminal Minds , the "piece" usually refers to the physical puzzle pieces sent by the unsub Randall Garner—the Fisher King—to the BAU team.
A man suffering from Capgras Syndrome (believing his loved ones have been replaced by imposters) after a traumatic brain injury. [S7E3] The Fisher King
Spencer Reid is cast as "Sir Percival" and is given the task of asking the question that will "heal" the King. Context for S7E3: " Dorado Falls " In the context of the popular crime drama
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) Context for S7E3: " Dorado Falls " However,
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)