> Subject demonstrates severe narcissistic tendencies and a fixation on asymmetric geometry.
> **CRITICAL BEHAVIORAL ANOMALY:** Intercepted communications reveal a strict adherence to prime numbers. Suspect rarely strikes, moves, or sends communications on dates or times that do not match prime sequences.
> **LAST SEEN:** Fleeing eastbound from CA Route 1. High probability suspect is utilizing state highway transit loops to mask physical coordinates.
> FIELD NOTE: Informant reports suspect has an obsession with high-elevation typography. Cross-reference all geographic data on [MAPS] system with elevations exceeding 1,500 feet.
> ITEM #09A: Recovered typewriter ribbon (Smith-Corona). Alignment key for 'E' and 'T' is structurally flawed, forcing a 2-millimeter upward shift.
> ITEM #12F: Scraps of a standard naval mapping chart found in a roadside ditch. The numbers '37' and '-122' were aggressively circled in heavy graphite.
THE SAN FRANCISCO CHRONICLE RECEIVED ANOTHER LETTER EARLY THIS MORNING. INDIVIDUAL CLAIMING TO BE THE 'ZODIAC' BOASTS THAT POLICE 'CANNOT READ THE SIGNPOSTS RIGHT IN FRONT OF THEIR FACES.' TOTAL PANIC REPORTED IN BAY AREA SUBURBS.