The Hunt for the Zodiac Killer
Thumbnail for episode: The New Suspect
S1 E1

The New Suspect

Aired on Nov 14, 201741m

A new hunt for the Zodiac Killer gains unprecedented access to files, unearthing a complicated cypher that may contain the killer’s name, and links between the killer and an unsolved case.

A new hunt for the Zodiac Killer gains unprecedented access to files, unearthing a complicated cypher that may contain the killer’s name, and links between the killer and an unsolved case.

Thumbnail for episode: The Military Connection
S1 E2

The Military Connection

Aired on Nov 21, 201742m

Did the Zodiac Killer serve in the U.S. Armed Forces? The team’s supercomputer identifies strange symbols in the killer’s code that would have been known to only a few when it was written.

Did the Zodiac Killer serve in the U.S. Armed Forces? The team’s supercomputer identifies strange symbols in the killer’s code that would have been known to only a few when it was written.

Thumbnail for episode: A New Code Uncovered
S1 E3

A New Code Uncovered

Aired on Nov 28, 201743m

A new cipher is uncovered, while the team’s supercomputer uncovers a strange lunar pattern linking the killings. A taunting riddle by the killer may lead to a body. A second prime suspect emerges.

A new cipher is uncovered, while the team’s supercomputer uncovers a strange lunar pattern linking the killings. A taunting riddle by the killer may lead to a body. A second prime suspect emerges.

Thumbnail for episode: The Secret FBI Files
S1 E4

The Secret FBI Files

Aired on Dec 05, 201742m

The FBI releases secret files and a handwriting analyst connects the Zodiac’s letters to a taunting letter mailed 3,000 miles away in Albany, NY. The code team has a massive breakthrough on the Z-340.

The FBI releases secret files and a handwriting analyst connects the Zodiac’s letters to a taunting letter mailed 3,000 miles away in Albany, NY. The code team has a massive breakthrough on the Z-340.

Thumbnail for episode: The Code is Cracked
S1 E5

The Code is Cracked

Aired on Dec 12, 201743m

The Code Team announces extraordinary news: A team member has solved the Zodiac’s infamous Z340 code, which has eluded codebreakers for 50 years.

The Code Team announces extraordinary news: A team member has solved the Zodiac’s infamous Z340 code, which has eluded codebreakers for 50 years.