Much like the real Zodiac, Caleb sends complex codes to the police. Reid eventually breaks these by realizing they are personal messages to Harvey rather than general threats.
The team initially forgets it is his birthday, adding to his feeling of isolation. [S7E11] True Genius
Reid and Prentiss attend a lecture by crime novelist Patricia Cornwell (playing herself), which prompts Reid to reflect on his career path. 🧩 Key Symbols & Ciphers Much like the real Zodiac, Caleb sends complex