This Is the Zodiac Speaking, a new Netflix true crime documentary series, really digs in and investigates the unsolved case of the Zodiac Killer (yes, we’re obsessed too!).
It contains new testimony, facts, and a convincing case for the genuine identity of the murderer, Arthur Leigh Allen. The series revolves around the Seawater family, who have a personal connection to Allen. If you’re a Zodiac Killer investigator yourself, this series might be for you so keep reading!
A Convincing Case for Arthur Leigh Allen as the Zodiac Killer as Shown in This Is the Zodiac Speaking
The docu-series This Is the Zodiac Speaking makes a compelling case for Allen being the Zodiac Killer, which is stronger than earlier films or investigations. The identity of the Zodiac Killer has remained unknown for more than five decades. The Seawater family’s testimonies now offer a new viewpoint.

We see that the Seawaters had a relationship with Allen in the 1960s and their accounts of Allen’s unusual conduct and interest in cryptic puzzles and references are comparable to those of the Zodiac Killer.
Connie, one of the Seawater siblings, recalls a 1963 outing when Allen left them alone in the car. When he reappeared, he appeared to have blood on his hands. The following day, two youngsters were discovered slain nearby.
This and other revelations strengthen the case that Allen was the Zodiac Killer. This fresh knowledge sets This Is the Zodiac Speaking apart from other Zodiac-related publications.
New Evidence and Chilling Parallels to the Zodiac’s Crimes
The docu-series This Is the Zodiac Speaking depicts the Seawater family’s complicated feelings about Allen. While David confronted Allen, accusing him of being the Zodiac killer, Don struggled to reconcile his memories of a nice guy with the mounting evidence.
This emotional battle is one of the series’ most humanizing qualities, reminding viewers that even horrible characters can inspire love and loyalty. The documentary focuses not just on the terrible acts, but also on the emotional toll they took on individuals close to the suspect.

This Is the Zodiac Speaking reveals intriguing parallels between Allen’s behavior as a teacher and the Zodiac’s crimes. Former pupils mention Allen’s interest in ciphers and his use of The Mikado songs, which the Zodiac killer referred to in his correspondence. These coincidences lend credibility to the notion that Allen was responsible for the cryptic deaths.
What Is So Different About This Docu-series?
This is the Zodiac Speaking is not limited to personal testimony; it also includes physical evidence like letters, cassettes, and ciphers. An actual mystery box revealed in the third episode strengthens the case against Allen.
These documents plus the Seawaters’ statements form a riddle that appears to point directly to Allen.

The documentary This Is the Zodiac Speaking is well-edited, with interviews, archival videos, and snippets from David Fincher’s movie Zodiac. It features significant individuals such as Robert Graysmith, a journalist who feels Allen is guilty. The series reinforces viewers’ belief that Allen was the Zodiac killer.
The series recognizes the moral complexities of the ending. Despite their damaging confessions, the Seawater siblings maintain a fondness for Allen, confounding the narrative of pure evil that frequently surrounds serial killers. This emotional nuance deepens the genre, making the docuseries more contemplative and frightening.
Conclusion
This Is the Zodiac Speaking offers a compelling, well-rounded exploration of the Zodiac Killer case, providing new testimonies and evidence that heavily implicate Arthur Leigh Allen. The Seawater family’s deeply personal connection to Allen, coupled with chilling details from their past, strengthens the case against him.
The docu-series stands out for its emotional complexity, as it delves not only into the mystery of the killings but also into the conflicting feelings of those close to the suspect. This nuanced portrayal makes This Is the Zodiac Speaking a must-watch for both true crime enthusiasts and newcomers alike.