SUMMARY
  • The Zodiac killer's identity has been a mystery to date, even though his killing spree started back in 1960s.
  • Various people have come forward with evidence to prove Arthur Leigh Allen is the killer in docuseries This is the Zodiac Speaking.
  • From his violent spree to his ambidextrous quality, the evidence seems undeniable.

Nobody does crime thriller ventures better than Netflix. From the Monsters series to various true crime documentaries that shed light on the known and unknown aspects of serial killers and criminals, the platform lets showrunners and filmmakers get to the bottom of the cases. The recent addition to the streaming platform is This is the Zodiac Speaking, another chilling series that explores the identity of a debated serial killer.

What’s most interesting about this series is how it remains unsolved to this day. Authorities have investigated the Zodiac killings from the 1960s extensively, only to turn up empty-handed. It sends a shiver down one’s spine to think how the killer might just be out there even today.

Nevertheless, here’s a look at a few pieces of evidence that might hint at the Zodiac killer’s identity being Arthur Leigh Allen, who has been one of the highest-ranking suspects in the case. New testimonies and shreds of evidence have been brought to light that consolidate Allen’s guilt in the case.

Arthur Leigh Allen gave students ciphers to solve

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Still from This is the Zodiac Speaking | Credits: Netflix

Much like the Zodiac killer’s encrypted letters that he sent after every murder he committed, Arthur Leigh Allen, who was a primary teacher back in the day, gave his students ciphers to solve. His intrigue and interest in puzzles were evident even before the events of the Zodiac killings started.

However, the docu-series also explores how Allen loved to play The Mikado for his students, the lyrics of which he cited in the letters that he sent to news publications. These uncanny connections between Allen’s actions and what the Zodiac killer became known for hint at the possible correlation.

Signs of Violence became apparent

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Still from This is the Zodiac Speaking | Credits: Netflix

The central testimonies in This is the Zodiac Speaking series are the Seawater siblings who developed a close relationship with Allen in thei childhood. Allen got into a relationship with their mother, Phyllis, and began spending more time with them. However, after the Sewawater siblings witnessed something akin to blood on his hands on a field trip, they knew something was wrong.

After a couple of kids were found dead the next day, Allen pleaded guilty to child molestation and was punished. The early signs of eccentric behaviors and violent tendencies were too hard to ignore.

Phyllis knew Allen was the Zodiac Killer

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Still from This is the Zodiac Speaking | Credits: Netflix

The docuseries reveals undeniable evidence of Allen’s reality as letters showcase his involvement in the crime and subsequent guilt. Phyllis knew Allen was the Zodiac killer as he confessed the same in the letters. The family had their doubts for the longest time, but these connected aspects brought the bigger picture into the limelight.

The Seawater family had a tough time accepting this fact as they adored Allen for his good qualities and how he treated them all with love. This identity revelation brought their world crashing down.

Close Friend Don Cheney’s Confessions

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Still from This is the Zodiac Speaking | Credits: Netflix

The serial killer’s idenity was almost revealed when Allen’s close friend Don Cheney confessed against him. In Robert Graysmith’s book, Zodiac: The Shocking True Story of the Hunt for the Nation’s Most Elusive Serial Killer, he claims that Allen confessed to Cheney how he had the urge to kill lovers and Lover’s Lane.

The violent, killing streak was undeniable and even his close friend thought that Allen is capable of the same. Moreover, the book outlines how a victim identified Allen as the killer out of a police lineup. It remains a mystery how, despite so many pieces of evidences, Allen was never found guilty.

Arthur Leigh Allen was ambidextrous

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Still from This is the Zodiac Speaking | Credits: Netflix

One of the most significant reasons why Allen walked scotfree was because his handwriting did not match with the Zodiac Killer’s letters. However, Allen was reportedly ambidextrous and could write flawlessly with both his hands. This fact was seemingly overlooked in investigations but makes for an important turning point for the case.

Moreover, Allen’s Zodiac watch held crucial resemblance to the symbols found on the killer’s letters. Other evidence pointing at his involvement in the murders include a similar windbreaker and even his presence around one of the murder scenes in the same timeframe. These may have been ignored as circumstantial evidence, but all adds up in hindsight.

This is the Zodiac Speaking is streaming on Netflix.

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