The Zodiac Killer sets the stage for an in-depth exploration of one of the most infamous unsolved mysteries in American history. The description highlights the killer's chilling crimes, the cryptic letters he sent to the media and police, and the widespread panic and fear that he created throughout Northern California in the late 1960s and early 1970s. The podcast promises to delve deep into the investigation, discussing the many suspects and leads that have been explored over the years and the forensic techniques that have been used to try and identify the killer. The podcast will also explore the enduring impact of The Zodiac Killer's crimes on American society, making it clear that this is not just a story about the past, but one that continues to fascinate and intrigue the public today. Overall, this description promises a thrilling and thought-provoking exploration of one of the most notorious true crime cases of all time.