John Mikulenka‘s “Hunting the Zodiac,” a 63-minute documentary “about the vast subculture of amateur detectives who are obsessed with solving the Zodiac Killer case from the late 1960s. Shot in 2001-02, the film chronicles a turning point in the hunt for the psychopath who killed at least 5 people in the San Francisco Bay Area and mailed more than a dozen bizarre letters and coded messages to local newspapers. Doc includes extensive interviews with the last two San Francisco homicide detectives to be assigned to the case, and it features more than 8 minutes of rare archival news footage from the earliest days of the Zodiac investigation.”