E770 - The Devil’s Book, the Zodiac’s Name, and Other Unsettling Truths

What if two of America’s most infamous unsolved murders were never separate at all?

In this episode of The Box of Oddities, Jethro explores a startling new claim that uses artificial intelligence, cryptography, and old-fashioned detective work to suggest a single suspect may link the Zodiac Killer and the Black Dahlia—two crimes long thought to belong to different eras and different monsters.

At the center of the theory is the Zodiac’s infamous Z13 cipher, a short, taunting code that promised to reveal the killer’s name and resisted decryption for more than 50 years. A...