Caleb recreates famous Zodiac crimes to lure Harvey back into their childhood "game" of solving ciphers and playing "detective".
Caleb abducts Harvey’s fiancée to force a final confrontation, testing whether Harvey is still a "true genius" like him. 🎂 Character Spotlight: Dr. Spencer Reid [S7E11] True Genius
Both the UnSub and his target were champion chess players as children, a skill that mirrors the strategic "game" Caleb plays with the BAU. Caleb recreates famous Zodiac crimes to lure Harvey
The team initially forgets it is his birthday, adding to his feeling of isolation. adding to his feeling of isolation.