Netflix's 'This Is the Zodiac Speaking' Examines Prime Suspect Arthur Leigh Allen

The docuseries presents new testimonies and evidence that support the theory of Allen as the Zodiac Killer.

Arthur Leigh Allen, a former elementary school teacher, is the primary focus of Netflix's new true crime docuseries on the Zodiac Killer.
The Seawater family, who had close ties with Allen, provide key testimonies suggesting his involvement in the Zodiac murders.
Allen was previously investigated by police and identified as a suspect, but lack of concrete evidence prevented his arrest.
The docuseries highlights Allen's connections to the murder sites and his alleged confessions to the Seawater siblings.
Despite the compelling evidence presented, the identity of the Zodiac Killer remains officially unsolved.