Three Newsrooms Receive His Code or He Kills a Dozen More

Three Newsrooms Receive His Code or He Kills a Dozen More: The Zodiac Killer Murders of Northern California

August 1, 1969: identical envelopes arrived at the Vallejo Times Herald, San Francisco Chronicle, and San Francisco Examiner. Inside, a 168-symbol cryptogram and a deadly ultimatum. The CIA couldn't break it. The FBI failed. A history teacher and his wife solved it in twenty hours at their kitchen table-but what they deciphered was not a name. It was something far more disturbing: a confession of philosophy, not identity.

This episode reconstructs the first four confirmed attacks between December 1968 and September 1969, the coded messages that paralyzed federal investigation, and the behavioral shift that changed everything. We examine the contradictions that still haunt the case: why did the killer evolve from silent nighttime shootings to daylight stabbings? Why did he build such an elaborate public presence? And why does the final segment of his cipher remain unsolved fifty years later?

Victim: Betty Lou Jensen, David Faraday, Darlene Ferrin, Michael Mageau, Bryan Hartnell, Cecilia Shepard
Date: December 1968 - September 1969
Location: Vallejo, San Francisco Bay Area, Lake Berryessa, Northern California
Status: Unsolved, active investigation

- The first victims, teenagers on a first date, were shot nine times with .22-caliber ammunition that left no rifling marks-making forensic linkage impossible even if the gun was found.
- A survivor described the killer as Caucasian, stocky, military haircut, aged 26-30-but he never appeared in any lineup, despite decades of tips.
- The killer's cryptogram promised to reveal his identity, yet the deciphered message contained no name, only an ideological statement about slaves in the afterlife.
- Lake Berryessa marked a radical behavioral shift: the killer moved from nighttime drive-by shootings to afternoon ambush with rope, knife, and homemade hood-same signature, completely different method.

Zodiac Killer, Betty Lou Jensen, Darlene Ferrin, Northern California murders, 1968-1969, cryptogram, unsolved homicide, serial killer investigation, true crime English

To listen to this podcast ad-free and access premium episodes, try our subscription with a 14-day free trial at obomedia.com.

© 2026 OBOMEDIA. All rights reserved.
This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.

To listen ad-free and access premium episodes, start your 30-day free trial at obomedia.com

OBOMEDIA presents true crime storiesa true crime podcast built on real cases.

Every true crime story in our crime files follows the crime investigation from the missing person report to the trial: investigators and police building a murder case, a police investigation gone cold, justice for the victim and those who survived.

We open the unsolved murder, the cold case reopened decades later, the mysterious death, the disappearance, the serial killer, the family murder, the murder mystery; the missing persons a missing woman, a missing girl, a missing man found dead and the missing and murdered.

From the infamous case to the unsolved case, from classic true crime to dark true crime and disturbing true crime: true crime reports, real crime stories, real murder cases, true murder stories and unsolved mysteries one true crime case at a time, from the OBOMEDIA true crime vault.

© 2026 Created with OBOMEDIA technology. All rights reserved. This episode and its content (audio, text and related materials) are the property of their respective creator and are distributed under the OBOMEDIA name on platforms such as Apple Podcasts, Spotify, Amazon Music and Pocket Casts. Reproduction, distribution, editing or commercial use, in whole or in part, without prior written permission is prohibited. For permissions, licensing and business inquirie