Zodiac poster by Barret Chapman
Koraljka Suton
January 24, 2020
If you asked David Fincher about the childhood years he spent in San Anselmo in Marin County during the 1960s, the topic that would undoubtedly pop up would be that of an infamous serial killer who, in the director’s eyes, was “the ultimate boogeyman.” For it was precisely that time and that general area that saw the rise of the Zodiac, a murderer who frequently wrote letters and sent coded messages to local newspapers, gleefully taking credit for the gruesome killing sprees that would inevitably trigger waves of paranoia across the West Coast. As Fincher recalls: “I remember coming home and saying the highway patrol had been following our school buses for a couple weeks now. And my dad, who worked from home, and who was very dry, not one to soft-pedal things, turned slowly in his chair and said: ‘Oh yeah. There’s a serial killer who has killed four or five people, who calls himself Zodiac, who’s threatened to take a high-powered rifle and shoot out the tires of a school bus, and then shoot the children as they come off the bus.’” Fincher’s fascination with the mystery man who wreaked havoc in Northern California during the late 60s and early 70s, claiming to have taken the lives of thirty-seven people (out of which only five were confirmed as being his victims), ultimately resulted in the director gladly accepting to work on Zodiac, a 2007 movie written by James Vanderbilt. The screenwriter had read a 1986 non-fiction book of the same name while he was still in high school, years before pursuing his eventual career. After getting into screenwriting, he had the chance to meet Zodiac author Robert Graysmith, a cartoonist who had been working for one of the newspapers the killer wrote to during the 1960s, and decided to make a screenplay based on the information-packed book. Having creative control over the material was of the utmost importance to Vanderbilt, given the fact that the endings of his previous scripts had been altered. Together with producers from Phoenix Pictures, Vanderbilt bought the rights to both Zodiac and its follow-up, entitled Zodiac Unmasked, after which the Seven director was asked to come on board.
Apart from having a personal attachment to the story of the notorious serial killer who was never brought to justice, what drew Fincher to work on the project was also the fact that the ending of Vanderbilt’s script was left unresolved, thereby staying true to real-life events. But Fincher’s perfectionism and his wish to depict the open case as accurately as possible led to him asking that the screenplay be rewritten, for the wanted to research the original police reports from scratch. He also decided that he, Vanderbilt and producer Bradley J. Fischer should personally interview the people who were involved in the case so that they could discern for themselves whether the testimonies were to be believed or not. The people they spent months interviewing were family members of suspects, the Zodiac killer’s two surviving victims, witnesses, investigators both current and retired, as well as the mayors of Vallejo and San Francisco. As Fincher elaborated: “Even when we did our own interviews, we would talk to two people. One would confirm some aspects of it and another would deny it. Plus, so much time had passed, memories are affected and the different telling of the stories would change perception. So when there was any doubt we always went with the police reports.” They also hired a forensic linguistics expert to analyze the killer’s letters, with the expert’s focus being on how the Zodiac spelled words and structured sentences, as opposed to the emphasis that was put on the Zodiac’s handwriting by document examiners in the 1970s.
Film stills by Merrick Morton (Paramount Pictures)
Other in-depth articles on films by David Fincher on Cinephilia & Beyond:
Alien3: “Take all of the responsibility, because you’re going to get all of the blame”
Downwards Is the Only Way Forwards: Welcome to David Fincher’s The Game
‘Fight Club’: David Fincher’s Stylish Exploration of Modern-Day Man’s Estrangement and Disillusionment
Fincher’s Zodiac As Easily One Of The Best Thrillers Of The Millennium So Far
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