The BAU travels to San Francisco to investigate a series of murders that mirror the infamous .
The episode is heavy on intellectual puzzles and historical references. [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. The BAU travels to San Francisco to investigate
The team initially forgets it is his birthday, adding to his feeling of isolation. adding to his feeling of isolation.