In this episode of Nurse Chat Diaries, host Daman delves into the chilling history of the Zodiac Killer, exploring the infamous attacks, the psychological games he played, andthe enduring mystery surrounding his identity. From the Lake Berryessa attack to the San Francisco murders, the Zodiac's reign of terror captivated the public and left law enforcement baffled for decades. The episode also discusses the cultural impact of the Zodiac, the evolution of investigations over the years, and the hope that modern DNA technology may one day unmask the killer. Despite numerous suspects and theories, the Zodiac remains an enigma, a ghost sustained by fear and obsession.

Butterfield, M. (2009). ZodiacKillerFacts: Documentingthe mystery. [Online archive of Zodiac letters and reports]. https://zodiackillerfacts.com

FBI. (2020, December 11). FBI statement on Zodiac ciphersolution. Federal Bureau of Investigation. https://www.fbi.gov/news/press-releases/fbi-statement-on-zodiac-cipher-solution

History.com Editors. (2021, June 7). The Zodiac Killer: Atimeline. History. https://www.history.com/articles/the-zodiac-killer-a-timeline

Oranchak, D., Blake, S., & Van Eycke, J. (2020). Solutionto the Zodiac 340 Cipher. [Codebreaking research]. https://zodiackillerciphers.com

San Francisco Chronicle. (1969–1974). Coverage and policereports of the Zodiac Killer letters and crimes. San Francisco ChronicleArchives.

San Francisco Chronicle. (1969–2021). Coverage of theZodiac case and investigations. San Francisco Chronicle Archives.

The Case Breakers. (2021, October 6). Case Breakersidentify Zodiac Killer as Gary Francis Poste. https://thecasebreakers.org

Wikipedia contributors. (2025, January 21). Murder ofPaul Stine. In Wikipedia. https://en.wikipedia.org/wiki/Murder_of_Paul_Stine

Wikipedia contributors. (2025, January 21). Zodiac Killer.In Wikipedia. https://en.wikipedia.org/wiki/Zodiac_Killer

Wikipedia contributors. (2025, January 29). List ofZodiac Killer messages. In Wikipedia. https://en.wikipedia.org/wiki/List_of_Zodiac_Killer_messages

Zodiac Ciphers. (n.d.). The Lake Berryessa attack.ZodiacCiphers.com. https://www.zodiacciphers.com/lake-berryessa-attack.html

Zodiac Killer Facts. (n.d.). The murder of Paul Stine.ZodiacKillerFacts.com. https://zodiackillerfacts.com/murder-of-paul-stine

Zodiac Killer Facts. (n.d.). The April 20, 1970 “My nameis” letter. ZodiacKillerFacts.com. https://zodiackillerfacts.com

Zodiac Killer Info. (n.d.). Lake Berryessa attack.ZodiacKillerInfo.com. https://www.zodiackillerinfo.com/lake-berryessa

• • Facebook: Nurse Chat Diaries

  • Instagram: @nursechatdiariespodcast

  • TikTok: @nurse.chat.diaries

  • Twitter (X): @chat_diaries

•