What if the Zodiac wasn’t just a man… but a movement? Former cop turned investigative journalist Joe Mark Villareal dives deep into one of America’s most terrifying cold cases in Zodiac Shadows: An Insider’s Hunt. Fueled by personal trauma and a decades-long obsession, Villareal uncovers shocking new links, long-buried evidence, overlooked victims, and a chilling family secret that points to something far more sinister than a lone killer. From the alleys of Indio to the streets of San Francisco, from coded letters to a hooded figure at Lake Berryessa, this is not just a recounting of the Zodiac’s crimes. It’s an unflinching confrontation with the silence that let him thrive. Riveting, raw, and utterly unforgettable, Zodiac Shadows explores the possibility that the killer was never working alone, and that someone is still watching. Step into the darkness. The hunt is far from over.