As grisly as the murders were, perhaps the most intriguing element of the Zodiac's modus operandi, according to History.com, ...

Known for his cryptic ciphers and taunting letters, the Zodiac Killer left behind clues that continue to baffle investigators ...

The Zodiac killer is one of the most notorious killers of all time, but has never been caught. Now, a family who knew the ...

Zodiac Killer's Cipher Solved by Code Experts 50 Years After ... In the handwritten Aug. 1 letter, the sender took credit for the double homicide the previous Christmas and "on the girl on the ...

A new Netflix documentary about the Zodiac killer explores one of the most famous unsolved murder cases in the country — and ...

Who was Arthur Leigh Allen? Here's what the Seawater family says about the Zodiac Killer and if the Zodiac Killer has ever ...

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

The Chilling Legacy of America's Most Infamous Serial Killer!  The Zodiac Killer is one of the most infamous and elusive ...

Suspect Arthur Leigh Allen was local schoolteacher in the 1960s – Deceased Atascadero resident Arthur Leigh Allen is ...

David Fincher's serial-killer opus, recently upgraded into a 4K release by Paramount, remains a seductive study in the ...

In his last letter, he denied being the Zodiac killer. Since Allen’s death ... when the Seawater children were in town with Allen. Four ciphers (encrypted messages) that were sent out to ...