Investigators have since drawn connections between Allen's classroom activities and the Zodiac's infamous communications. One ...

Perhaps the biggest revelation in the Netflix documentary This is the Zodiac Speaking comes via the Seawater siblings sharing ...

Arthur Leigh Allen, a schoolteacher who died in 1992, is the only person police ever named as a suspect in the Zodiac murders ...

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

Arthur Leigh Allen was a prime suspect in the Zodiac Killer case, as he owned the same caliber of gun that was believed to ...

Arthur Leigh Allen has been the only publicly identified suspect by the police, however there was never enough evidence to charge him. Therefore, it cannot be confirmed whether or not Arthur Leigh ...

As a documentary series revisiting the infamous tale of the Zodiac Killer, with a special focus on its prime suspect, Arthur ...

Arthur Leigh Allen was prime suspect in the Zodiac killings – here’s how the subject of a new Netflix documentary on the case died.

Netflix’s ‘This Is the Zodiac Speaking’ chronicles the life of Arthur Leigh Allen, who became infamous as a prominent suspect ...

Arthur Leigh Allen has been one of the only viable suspects in the Zodiac case for decades Samantha Stutsman is a freelance writer and surveillance editor at PEOPLE. Netflix The Zodiac Killer case ...