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True Crime

Killer In The Code

by Michael Connelly
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Latest episodes

  • Chapter 14: Words Matter

    October 12, 2026 · 44 min

    Professor Valerie Fridland, expert on sociolinguistics, the study of how the words we use reveal identity, reviews the words of the Zodiac, Black Dahlia and Cheri Jo Bates killers and comes up with some telling conclusions. Learn more on…

  • Chapter 13: It Goes Where It Goes

    September 10, 2026 · 35 min

    The investigation leads to an examination of a murder in Los Angeles two years before Elizabeth Short was killed. Learn more on KillerInTheCode.com.

  • Chapter 12: Probable Cause

    August 26, 2026 · 32 min

    Two long experienced judges weigh in on the case against Marvin Margolis. Learn more on KillerInTheCode.com.

  • Chapter 11: From The Grave

    August 26, 2026 · 42 min

    Marvin Margolis’s military file is a gold mine of information, including his own description of the harrowing wartime experience that sent him down a dark path. Learn more on KillerInTheCode.com.

  • Chapter 8: The Round Table Part 2

    February 5, 2026 · 35 min

    Part 2 of the discussion amongst the investigators answering questions from listeners. Learn more on KillerInTheCode.com

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  • Chapter 7: The Round Table Part 1

    February 5, 2026 · 32 min

    An update on the investigation. Part 1 of the discussion amongst the investigators answering questions from listeners. Learn more on KillerInTheCode.com.

  • Chapter 6: A Mind For Murder

    January 29, 2026 · 27 min

    Who was Marvin Merrill? A deep dive into the suspect’s life reveals possible connections to unsolved cases from every place he ever lived.  Learn more on KillerInTheCode.com

  • Chapter 5: The Zodiac Motel

    January 15, 2026 · 22 min

    Alex Baber’s search for the ‘torture room’ where Elizabeth Short was murdered. Learn more on KillerInTheCode.com.

  • Chapter 4: Code Makers and Breakers

    January 8, 2026 · 38 min

    When Ed Giorgio’s cryptology team confirmed Alex Baber’s codebreaking, they uncovered a key piece of evidence themselves and a startling connection to Elizabeth Short. Learn more on KillerInTheCode.com.

  • Chapter 3: El Diablo

    January 6, 2026 · 43 min

    Alex Baber finds a clue in the last Zodiac cipher that unlocks a direct connection to the Black Dahlia. Learn more on KillerInTheCode.com.

  • Chapter 2: The Smoking Gun

    December 23, 2025 · 23 min

    Alex Baber’s gumshoe work leads to the discovery of undeniable physical evidence linking two of most infamous murder cases in history. Learn more on KillerInTheCode.com.

  • Chapter 1: The Hidden Beneath The Hidden

    December 22, 2025 · 31 min

    Cold case consultant Alex Baber cracks the Zodiac Killer’s most difficult cypher and it leads to a stunning revelation. Learn more on KillerInTheCode.com

Full episode archive on Apple Podcasts →

About the show

Killer In The Code: Solving The Black Dahlia & Zodiac Cases, a new podcast from bestselling author Michael Connelly. Self-styled cold case consultant Alex Baber believes he has a set of life skills that allow him to find the hidden beneath the hidden. These skills took him down a two-year path to solving two of the most infamous murder cases in history, The Black Dahlia and Zodiac killer cases. With no badge and no law enforcement training, has Baber closed the cases that have baffled law enforcement for more than half a century? Some of the top minds in homicide and code-breaking work believe so and stand by his findings. Killer In The Code follows Baber on his investigative journey across the country as he uses cryptology, genealogy, AI, and finally long hours of basic gumshoe work to identify a suspect that has taunted and eluded authorities for decades. Along the way startling new evidence in both cases is discovered, all of it pointing unequivocally toward one man who lived in a dark world and may have intentionally left a “smoking gun” behind so that one day he would be discovered by someone who viewed the open cases as one puzzle missing just a few key pieces. Alex Baber found those pieces and solved the puzzle. Killer In The Code tells the story. Learn more on killerinthecode.com.