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The full episode, in writing.
December 20, 1968. On a cold Friday night near Vallejo, California, David Faraday and Betty Lou Jensen parked their car on a gravel turnout just off Lake Herman Road. When officers arrived, they found Faraday slumped, shot at point-blank range behind the left ear. Jensen’s body lay face down, a few yards from the car, riddled with five gunshot wounds in her back. Tire tracks and footprints in the frosty grass suggested a brief, violent encounter that ended with two teenagers dead in the dark.
David Faraday was just 17. He’d been on his first date with Betty Lou Jensen, who was 16. Both attended local high schools—David at Vallejo High, Betty Lou at Hogan High. They came from working-class families rooted in the patchwork of suburbs and small towns north of San Francisco. That night, they’d told parents they’d attend a Christmas concert, planning afterward for some privacy on the quiet rural road known to locals as a lovers’ lane.
The area around Lake Herman Road in 1968 was a patch of open countryside on the edge of rapid suburban growth. The road was flanked by fields, farms, and occasional cottages. Crime was rare, and even more so the kind of violence that would end two young lives with such sudden finality.
At around 11:00 p.m., Faraday and Jensen’s Rambler was spotted by another driver parked by the side of the road. Minutes later, a passing motorist saw the car’s doors open. The next driver, Stella Borges, found the bodies and raced to a nearby house to call police.
Investigators found shell casings from a .22-caliber weapon. There were no immediate suspects, no motive, and no sign of robbery or sexual assault. This was the beginning of a pattern that would soon terrorize Northern California.
Six months later, on July 4, 1969, Darlene Ferrin and Michael Mageau sat in a parked car at Blue Rock Springs Park in Vallejo. Shortly after midnight, a car pulled up beside them, then drove away. Minutes later, the same car returned. A man emerged, shining a flashlight into their faces before firing a 9mm pistol five times through the passenger window.
Darlene Ferrin, 22, worked as a waitress. She was outgoing, popular, married, and a mother to a young daughter. Michael Mageau, 19, was a high school friend. The two met that night to talk—Ferrin had mentioned being followed by someone earlier that evening.
After the shooting, Ferrin died from her wounds. Mageau survived and offered police a description: a stocky white male, approximately 5’8” to 5’9”, 195–200 pounds, with light brown curly hair. He wore heavy-rimmed glasses and “seemed calm,” Mageau would later recall.
While police began their investigation, a call came in to the Vallejo Police Department at 12:40 a.m. The male caller claimed responsibility for the attack and for the Lake Herman Road murders. The call was traced to a payphone just blocks from the police station.
On August 1, 1969, the Vallejo Times-Herald, San Francisco Chronicle, and San Francisco Examiner each received a letter, the first public communication from the self-described “Zodiac.” Each envelope contained a single page of handwritten text and one-third of a 408-symbol cryptogram. The letters demanded publication on each paper’s front page, threatening further violence if ignored.
The cryptograms consisted of interlocking symbols: circles, triangles, squares, and letters. The Zodiac wrote, “I like killing people because it is so much fun.” His demand for attention, his coded threats, introduced a chilling new element—he was taunting the public and police, seeking notoriety.
Within a week, Donald and Bettye Harden, a high school teacher and his wife in Salinas, cracked the 408-symbol cipher. The solution revealed the killer’s boast about the thrill of murder, his hope to collect “slaves for the afterlife,” and an admission that he would never reveal his identity.
On September 27, 1969, Bryan Hartnell and Cecelia Shepard, both college students, relaxed by the shore of Lake Berryessa, about 30 miles north of Napa. A man approached, wearing a black, executioner-style hood with a white crossed-circle symbol on the chest. He carried a gun and a pre-cut length of plastic clothesline.
The man forced Hartnell and Shepard to tie each other up. He then stabbed Hartnell six times in the back and Shepard ten times. Before leaving, he drew a large crossed-circle symbol on Hartnell’s car door, beneath it noting the dates of previous attacks and the current time: “Sept 27 69 6:30 by knife.” Shepard died two days later; Hartnell survived by playing dead and later described his attacker’s voice and mannerisms.
Two weeks later, October 11, 1969, Paul Stine, a 29-year-old cab driver, was shot in the head at point-blank range while driving a fare to the upscale Presidio Heights neighborhood in San Francisco. The suspect took a piece of Stine’s shirt as a trophy and walked away, passing within feet of responding police officers. Witnesses described a heavyset white male, 35–45, 5'10", barrel-chested, with light-colored hair graying in the back.
The Zodiac sent a letter to the San Francisco Chronicle days later, including a bloody piece of Stine’s shirt to prove his authorship. He warned: “School children make nice targets.”
The Zodiac would go on to send more than a dozen letters to newspapers and police, each laced with threats, taunts, and ciphers. On November 8, 1969, he mailed the “340 cipher” to the San Francisco Chronicle—340 seemingly random symbols arranged in a cryptic grid. That cipher remained unsolved for over 50 years.
On December 20, 1969, the Zodiac claimed in a letter the abduction and murder of a woman named Kathleen Johns and her daughter. Johns, abducted with her infant near Modesto, California, managed to escape after hours of being driven in circles by her captor, later identifying the Zodiac as her assailant.
On July 26, 1970, the Zodiac sent another letter, this time enclosing a map and a 32-symbol cipher, along with a threat about planting a bomb. The cipher has never been conclusively solved.
On October 27, 1970, Paul Avery, a reporter at the San Francisco Chronicle, received a Halloween card signed with the letter “Z.” The card included the chilling message: “Peek-a-boo, you are doomed.”
The Zodiac’s correspondence continued sporadically. On March 13, 1971, he sent a letter to the Los Angeles Times, taking responsibility for the unsolved 1966 murder of Cheri Jo Bates in Riverside, California. On January 29, 1974, the last known Zodiac letter arrived at the Chronicle, this time praising the film “The Exorcist.”
Investigators from multiple jurisdictions, including the Vallejo, Napa, and San Francisco police departments, as well as the California Department of Justice, worked on the case. They collected hundreds of pieces of physical evidence—shell casings, footprints, tire tracks, fibers, and fingerprints. They interviewed thousands of witnesses and potential suspects.
The Zodiac’s letters became a central focus. They were analyzed for fingerprints and handwriting, and the ciphers were given to cryptography experts and amateur sleuths alike. The “340 cipher” eluded everyone until 2020, when a team of private citizens cracked its code. It read, in part, “I hope you are having lots of fun in trying to catch me.”
One of the most significant suspects was Arthur Leigh Allen, a Vallejo schoolteacher and convicted child molester. Police searched Allen’s home, seized typewriters, firearms, and other items, and subjected him to repeated interrogation. Handwriting samples from Allen did not match those in the Zodiac’s letters, and none of the physical evidence connected him to the crimes. No charges were filed.
San Francisco Police issued a wanted bulletin in 1969, describing the suspect as a white male, 35–45 years old, 5’10”, 180–200 lbs., medium-heavy build, barrel-chested, with light-colored hair possibly graying in the rear. Witnesses to the Paul Stine murder and survivors Michael Mageau and Bryan Hartnell all provided sketches that bore a passing similarity, but no identification was definitive.
The investigation was complicated by the Zodiac’s apparent randomness in targeting victims. The first two attacks were on young couples parked in cars. The third was a daylight attack at Lake Berryessa, marked by the killer’s bizarre hooded costume. The fourth victim was a lone male cab driver in a busy city neighborhood. Victims came from different backgrounds and ages.
The Zodiac’s taunts extended to the media. He threatened to attack school buses, send bombs, and kill randomly. Letters often included ciphers, at times with clues, at times pure gibberish. The killer’s ability to communicate directly with the public made him uniquely frightening—a murderer who exploited the new power of mass media.
Physical evidence was scant. The best lead came from the Paul Stine case, where the killer’s fingerprints were recovered from the taxi’s partition and the exterior. These did not match any known suspects. A bloody swatch of Stine’s shirt, sent by the Zodiac, proved the authenticity of the letters but yielded no further clues. No murder weapon was ever recovered.
The Zodiac’s ciphers became a puzzle for both law enforcement and amateur codebreakers. The first, the “408 cipher,” was solved quickly and revealed the killer’s twisted motivations. The “340 cipher” required advanced computer algorithms and international collaboration to solve, finally decrypted in 2020. Other ciphers remain unsolved.
The Zodiac’s last confirmed communication was in 1974. In total, he claimed responsibility for 37 murders, but only five have been conclusively linked to him: David Faraday, Betty Lou Jensen, Darlene Ferrin, Cecelia Shepard, and Paul Stine. Two others, Michael Mageau and Bryan Hartnell, survived their attacks. Kathleen Johns and her daughter escaped abduction.
Law enforcement spent decades chasing leads. Over the years, more than 2,500 people were considered as potential suspects. The case remains open but unsolved, and the Zodiac’s identity has never been confirmed.
The Zodiac’s crimes exposed deep vulnerabilities in law enforcement and the press. The use of public taunts and ciphers created a climate of fear and fascination. Police departments struggled to coordinate across jurisdictions—Vallejo, Napa, and San Francisco each maintained separate case files, sometimes failing to share crucial information.
The killer’s manipulation of the media—demanding publication, issuing threats—transformed the relationship between journalists and police. The Zodiac’s letters became front-page news, and reporters like Paul Avery became targets themselves. The killer’s threats against school buses forced changes in police patrols and even caused panic among parents and children.
The ciphers inspired generations of codebreakers, with thousands of amateur and professional cryptanalysts attempting to unlock their secrets. The “408 cipher” and “340 cipher” are now among the most famous cryptograms in criminal history. The “340 cipher” remained unsolved for more than five decades, only broken in 2020 by a team of three private citizens using custom software and linguistic analysis.
Arthur Leigh Allen, the main suspect, died without ever being charged. Despite circumstantial evidence and a criminal history, no forensic link was ever established between Allen and the Zodiac’s murders. Handwriting and fingerprints excluded him, and DNA evidence—what little exists—has not matched any named suspect.
In one of his decrypted ciphers, the Zodiac taunted, “I hope you are having lots of fun in trying to catch me.” This line, hidden for 51 years, confirmed that the killer followed the investigation closely and derived satisfaction from the chaos he created.
On the car door at Lake Berryessa, the Zodiac left not only his symbol but also the dates of his previous attacks, inscribing his crimes like a signature on a canvas.
After shooting Paul Stine, the Zodiac calmly wiped down the cab, walked past police, and disappeared into the night. He left behind a bloody shirt fragment, mailed days later to prove his authorship.
During the Lake Berryessa attack, the Zodiac wore a black hood and stitched a white crossed-circle symbol onto his chest—a detail unique among known serial killers.
Kathleen Johns, abducted with her infant daughter, rode for hours in the Zodiac’s car before escaping into a field. She later identified him as her abductor from police sketches.
The Zodiac’s final known letter praised the movie “The Exorcist.” It was postmarked January 29, 1974, and marked the end of a direct line of communication that had terrified and captivated a nation.
The Zodiac’s case remains one of the most infamous unsolved serial murder cases in American history, with five confirmed dead, two survivors, dozens of claimed victims, and four ciphers that continue to haunt both investigators and the public.