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Transcript
The full episode, in writing.
It’s August 1, 1969, and the morning staff at three Bay Area newspapers — the San Francisco Chronicle, San Francisco Examiner, and Vallejo Times-Herald — are sorting through the day’s mail. One envelope stands out: it’s addressed in blocky, uneven handwriting. Inside, there’s a single sheet of paper. At the top, a mysterious symbol: a circle with a cross through it, almost like the sight of a rifle. Underneath, dense rows of strange characters, a cryptogram, flanked by chilling sentences. The writer claims responsibility for two recent murders and demands that his cipher be printed on the front page, threatening more deaths if his demands aren’t met. As editors gather around the page, the hair on the back of their necks stands up. The Zodiac Killer has announced himself.
The letter is the first time the public sees that crosshair symbol. The signature cements itself in the minds of everyone involved. The killer’s demand is clear, and the threat is unmistakable. He says plainly: if newspapers don’t comply, more will die. The newsroom, normally noisy with ringing phones and clacking typewriters, goes silent as the editors realize the stakes.
In the late 1960s, Northern California is already on edge. The Summer of Love has faded, the peace movement is fracturing, and the threat of violence hangs in the air. Vallejo is a quiet city east of San Francisco, where teenagers gather in cars at secluded lovers’ lanes. Police have been investigating an unusual double homicide from just months earlier, but no one expects what’s about to unfold. Law enforcement officers in Vallejo, Benicia, Napa, and San Francisco communicate by radio and phone, trading rumors and fears as the Zodiac’s letters begin to multiply.
The victims are young, and their deaths are brutal. On December 20, 1968, high school students David Faraday, just 17, and Betty Lou Jensen, only 16, park their car on Lake Herman Road outside Vallejo. Their plans are simple: a night of conversation and privacy before heading home. But before the evening is over, both teens are shot and killed, their bodies discovered by a passing motorist. The car’s windows are shattered. Shell casings are scattered on the ground. Investigators find no motive and no suspect. The case soon grows cold.
Seven months later, on July 4, 1969, Darlene Ferrin, 22, and Michael Mageau, 19, drive to Blue Rock Springs Park, less than four miles from the first crime scene. The couple chats in the car, windows fogged against the cool summer fog. Just before midnight, headlights approach. A man emerges and opens fire with a handgun. Ferrin is killed; Mageau survives, wounded but alive, and later describes the shooter to police. This time, the killer calls the police himself, using a payphone to take credit. The operator records his chilling words: “I want to report a double murder. If you will go one mile east… you will find kids in a brown car. They were shot with a nine-millimeter Luger. I also killed those kids last year. Goodbye.”
It’s the summer of 1969. The police and the public are now aware that a serial killer is at large in Northern California. The killer’s crimes show planning and boldness: he chooses isolated locations, strikes at night, and escapes without a trace. His identity remains unknown, and his motives are as much a mystery as his methods. Even as police scramble to connect the dots between the attacks, the killer makes certain they know he’s watching — and that he’s in control.
Each letter that arrives is more brazen than the last. On August 1, 1969, three different newspapers receive nearly identical letters, all bearing the crosshair symbol and each containing one-third of a complicated cipher — 408 symbols in total, each character painstakingly drawn. In the letters, the killer taunts law enforcement, claiming he wants readers to help him “collect slaves for the afterlife.” He refers to murder as “so much fun.” The message is chilling not just in content, but in the killer’s attitude: he’s playing a game, and the entire region is his chessboard.
The cryptograms are published, as demanded, on the front pages. Donald and Bettye Harden, a schoolteacher and his wife from Salinas, pore over the symbols at their kitchen table. Eight days after the ciphers are printed, they crack the code. The decoded message reads: “I like killing people because it is so much fun … It is more fun than killing wild game in the forest … To kill something gives me the most thrilling experience.” There is no name, and no apology. The author’s satisfaction is evident in every phrase.
The attacks do not stop. On September 27, 1969, two more students, Cecelia Shepard, 22, and Bryan Hartnell, 20, are picnicking by Lake Berryessa in Napa County. A heavyset man appears, wearing an executioner-style hood and sunglasses. He approaches the couple, demanding their car keys and money. Then, he binds their wrists with pre-cut lengths of clothesline. What happens next is savage: the killer stabs both victims repeatedly with a long knife — estimated to be between 10 and 12 inches. Cecelia Shepard clings to life for two days before dying; Bryan Hartnell survives. Before leaving, the killer draws his circle-and-cross symbol on the door of their car, marking the date and weapon used.
Footprints at the scene tell investigators something more: the killer might be a heavyset man, wearing size 10½ Wing Walker military-style boots. These boots aren’t sold in stores — they are issued by the United States Air Force, a detail that leads to speculation but no arrests.
October 11, 1969. San Francisco cab driver Paul Stine, age 29, picks up a fare in the city’s theater district. The passenger asks to be taken to Presidio Heights, a quiet, affluent neighborhood. Minutes later, gunshots ring out. Stine is found slumped in his seat, shot once in the head. Witnesses describe a man calmly wiping down the cab, tearing a piece of Stine’s shirt as a trophy. Children watch from a window. The killer vanishes into the night, leaving behind a city terrified and a police force desperate for answers.
In the days following Stine’s murder, the Zodiac mails a letter to the San Francisco Chronicle. Enclosed is a piece of Paul Stine’s blood-soaked shirt, proof that the writer was at the crime scene. The killer taunts police again, threatening to attack a school bus and “pick off the kiddies as they come bouncing out.” Panic spreads. School buses are trailed by patrol cars, and parents keep their children home. The threat, as always, is signed with the by-now infamous crosshair symbol.
Between 1969 and 1974, the Zodiac mails over 20 letters to police and newspapers. Some contain new cryptograms. Others include taunts, threats, or references to crimes that may or may not be his. The letters are written in a style that is both taunting and theatrical — at times, the killer recounts the details of his murders, at others, he ridicules investigators for their inability to catch him. Police try to keep up, pouring over postmarks and handwriting samples, but the flow of letters always seems just one step ahead.
Of the four ciphers the Zodiac sends, two are eventually solved. The first to be decoded is the 408-character cipher, revealing the killer’s joy in murder and his desire for recognition. The second, a 340-character cipher, remains a mystery for decades. It is finally solved in December 2020 by an international team of codebreakers. The message is another taunt: “I hope you are having lots of fun in trying to catch me … I am not afraid of the gas chamber because it will send me to paradise all the sooner.” There is still no signature, no identity, just the crosshair.
The police investigation draws in detectives from multiple jurisdictions. The Vallejo Police Department, San Francisco Police Department, and Napa County Sheriff’s Office all create task forces. The FBI gets involved, building criminal profiles and assembling files that eventually stretch thousands of pages. Detectives interview hundreds of suspects, run down false leads, and follow up on every anonymous tip.
Forensic evidence is slim. The murder weapon in the first shooting is identified as a .22 caliber pistol. In the Blue Rock Springs attack, the killer uses a 9mm Luger handgun. At Lake Berryessa, the killer switches to a knife. The method changes, but the brutality and the pattern — young couples, isolated areas, nighttime attacks — remain constant.
Footprint evidence at Lake Berryessa points to a size 10½ boot, possibly of military origin. Handwriting analysis is performed on the Zodiac’s letters, but it only reveals that the writer is careful, calculating, and likely enjoys the attention his crimes attract. Witnesses describe a heavyset man, but composite sketches fail to turn up a suspect. Fingerprints are partial and inconclusive.
The case grows larger as suspects emerge and are discounted. Arthur Leigh Allen, a Vallejo schoolteacher and convicted sex offender, is considered a prime suspect for years. He wears a Zodiac brand watch, has a background that fits the killer’s possible profile, and is interviewed repeatedly by police. But evidence against him is circumstantial. No charges are ever filed. Gary Francis Poste is identified in 2021 by a group of volunteer investigators, but law enforcement agencies publicly dismiss their claims. As of the latest reporting, the Zodiac’s identity remains unknown.
The unsolved murders and the killer’s taunting letters keep the public and the police in a state of suspense. The killer is definitively linked by investigators to five murders and two attempted murders between 1968 and 1969. The known victims — David Faraday, Betty Lou Jensen, Darlene Ferrin, Michael Mageau, Cecelia Shepard, Bryan Hartnell, and Paul Stine — are remembered, but the Zodiac claims in his letters to have killed dozens more. Police are never able to verify these additional murders.
The case is marked by near-misses and frustration. After Paul Stine’s murder, police officers in the vicinity of the crime scene stop and question a man matching the suspect’s description, but let him go due to a miscommunication about the suspect’s race. The detail haunts investigators for decades.
In the early 1970s, the Zodiac’s known activity continues. The letters keep coming, but the attacks seem to stop. The taunting increases, and the killer boasts of crimes that can’t be substantiated. At times, the Zodiac claims to have rigged bombs or poisoned children’s Halloween candy. Police treat every threat seriously, but the evidence never materializes. The final confirmed Zodiac letter arrives in 1974. After that, the trail grows cold.
The public’s obsession with the Zodiac grows as the years pass. In 1971, the case inspires the film The Zodiac Killer, directed by Tom Hanson and starring Hal Reed and Bob Jones. The film is unique: it’s released while the killer is still active, and its promotional campaign includes an attempt to lure the real Zodiac to a screening. The case influences other crime films, including Dirty Harry, whose villain “Scorpio” is directly inspired by the Zodiac’s threats.
The Zodiac’s crimes and correspondence spark decades of popular fascination. Dozens of novels, nonfiction books, TV programs, and documentaries explore every element of the case. Robert Graysmith’s non-fiction books Zodiac and Zodiac Unmasked are adapted into a major 2007 film. Lyrics, video games, and television episodes reference the killer’s crosshair symbol and cryptic messages.
The Zodiac’s story echoes through culture in other ways — the crosshair symbol appears on album covers and in song lyrics, while television shows invent copycat killers or fictionalize the Zodiac’s taunting phone calls. The uncertainty — the sense that the killer could still be out there, watching, waiting, writing — is part of the reason the story refuses to fade.
Across decades of investigation, the only facts that remain certain are the brutality of the murders, the chilling clarity of the killer’s correspondence, and the power of the crosshair symbol that signed each letter. As of the latest public records, the Zodiac Killer’s identity remains one of the most enduring mysteries in American criminal history. The final word, as always, belongs to the killer himself — in a code that took over 50 years to solve: “I hope you are having lots of fun in trying to catch me.”