8 Mar: Return of the Zodiac Killer

Copycat murderer Heriberto Seda began his spree of violence in New York City on March 8, 1990, when he attempted to kill a middle-aged man with a homemade gun. He claimed he was the famous ‘Zodiac’ killer, who had terrorized the West Coast in the 1960s.


The NYPD began to take his crimes seriously when he shot two more people, killing one – and leaving behind a note marked with a circle with a cross through it, and the Zodiac signs of each of his previous victims. 

In this episode, Arion, Rebecca and Olly expose how a deadly shootout lead to Seda’s capture; compare the copycat’s cyphers to that of the Zodiac’s original missives; and reveal how the killer slipped through the police’s fingers for so long…

Further Reading:

The Retrospectors are Olly Mann, Rebecca Messina & Arion McNicoll, with Matt Hill.

Theme Music: Pass The Peas. Announcer: Bob Ravelli. Graphic Design: Terry Saunders. Edit Producer: Sophie King.

Copyright: Rethink Audio / Olly Mann 2023.