Arthur Leigh Allen has been a leading suspect in the Zodiac case for decades. Here's why the Seawater family believes he's ...

The Zodiac Killer was never caught, and his identity remains a mystery to this day. Arthur Leigh Allen was the only suspect ...

People who knew Arthur Leigh Allen as children say he confessed, drugged them, and brought them to the sites of Zodiac killer ...

Netflix’s This is the Zodiac Speaking focuses on Arthur Leigh Allen, but eight other men have been accused of being the ...

In August 1969, after three of the victims were killed, the Zodiac Killer sent three near-identical letters to three ...

A new documentary digs deep into the unsolved serial killer, known to taunt the press and police, with obscure letters.

In Netflix's "This Is the Zodiac Speaking," the children who grew up with Arthur Leigh Allen say he confessed to them about being the killer. Here's all the new evidence.

The true-crime documentary series takes a closer look at the only prime suspect in the infamous Zodiac case, Arthur Leigh ...

The Zodiac serial killer delivered four ciphers to police daring them to discover him; one was solved immediately, the other ...

A new three-part Netflix docuseries has dropped on Netflix which digs deeper into the story of the Zodiac Killer ...

The Zodiac Killer is the notorious serial murderer explored in a new Netflix documentary, but was he ever caught?