This Is the Zodiac Speaking: Release details, plot, cast, and more about the new true crime docuseries on Netflix 

This Is the Zodiac Speaking
This Is the Zodiac Speaking follows a notorious killer's story (Image Source: Netflix)

The chilling story of the infamous Zodiac killer from Northern California in the late ’60s is once again explored through This Is the Zodiac Speaking on Netflix. The three-part true-crime docuseries brings never-before-seen interviews and evidence from individuals who knew Arthur Leigh Allen, the major and first public suspect in this mystery.

This Is the Zodiac Speaking takes viewers back to the 1960s when the zodiac killer's reign of terror became one of the biggest concerns in Northern California. The police and investigators spent years solving the terrifying murder mysteries, but couldn't expose the actual killer.

However, they did find a suspect named Arthur Leigh Allen with a scandalous past. Allen was a former elementary school teacher and also a convicted sex offender whose actions often hinted at him being the notorious killer.

This Is the Zodiac Speaking also features the victims, and survivors, who fortunately survived the killer's attacks and shared their experiences.


This Is the Zodiac Speaking release date on Netflix

The docuseries has three parts (Image Source: Netflix)
The docuseries has three parts (Image Source: Netflix)

You don't have to wait any longer as all three episodes of This Is the Zodiac Speaking are available on Netflix. The docuseries arrived on the streamer on October 23, 2024, and features a complete story of the serial killer.

From archival footage and pictures, a notable interview with a TV reporter who talked with Allen, to the investigative reporter who covered every major detail of the case, you'll find everything in This Is the Zodiac Speaking. Each episode is under 50 minutes which makes it easier to dive into the chilling case at once.


What happens in This Is the Zodiac Speaking docuseries?

Mr. Allen with the Seawater siblings (Image Source: Netflix)
Mr. Allen with the Seawater siblings (Image Source: Netflix)

The first part of the true-crime docuseries starts with recordings and pictures from October 1966, as everyone was excited for Halloween and unaware of what was coming next.

As mentioned above, This Is the Zodiac Speaking dives deep into how Arthur Leigh Allen ended up as a major suspect in the controversial zodiac killer case in America.

Viewers are introduced to the Seawater family who knew Allen from a young age. The first part titled We Called Him Mr. Allen opens with David Sewater talking about Allen, whom they called Mr. Allen as he was incredibly nice to them. Seawater revealed how Mr Allen would take them to enjoy weekends and road trips.

However, little did they know Mr. Allen had another side which was soon going to be exposed when his writings and actions matched with a Zodiac killer. The killer used to leave signs and symbols like a "Z" in threatening letters that talked about his targets.

As the docuseries continues, David Sewater and others including the victims and survivors share more about their experiences. Seawater even claimed to have previously visited the murder sites as Mr. Allen often took them on small trips. He said:

"We realized we had been to all the murder sites before the murders."

The Seawater siblings gradually started suspecting Mr. Allen, but until then he had already made a good image in front of their mother. Despite that, David Sewater called his mother and informed her about Allen's violent acts, but she didn't believe him at first and instead asked him to call Mr. Allen.

As seen in This Is the Zodiac Speaking, David Sewater called Mr. Allen who confessed to drugging them at a young age and even molesting Seawater's sister. David Seawater asked Mr. Allen if he was the Zodiac killer, to which he replied after a deathly silence "Yes, it was me," leaving Seawater with no words but restlessness and rage.

The docuseries also features other key figures connected to the Zodiac killer case, including investigators and reporters from the time when the serial killer made headlines. To this date, no concrete evidence could prove that Arthur Leigh Allen was the zodiac, but the murders stopping soon after his arrest hints at his involvement.


Who appears in This Is the Zodiac Speaking?

The two famous inspectors who worked on the zodiac case (Image Source: netflix)
The two famous inspectors who worked on the zodiac case (Image Source: netflix)

The Seawater siblings including David Seawater appear in This Is the Zodiac Speaking, as they all talk about Allen's behavior and how they first met them. It also features a former KTVU reporter Rita Williams and investigative reporter Robert Graysmith.

The docuseries has a few more individuals who were tied to the case as victims, survivors, and officers. Graysmith also mentioned working along with the two most famous policemen Insp. Dave Toschi and Isnp. Bill Armstrong during Zodiac's terror. Overall, the true-crime docuseries covers each key figure you need to know about when exploring details about the terrifying murderer.


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Edited by Sezal Srivastava