A look at the infamous Zodiac killer: one of the most famous and unidentified serial murderers in American history. Top investigators and code-breakers still strive to crack the killer's code.
EPISODE 1
The New Suspect
After gaining unprecedented access to confidential files, investigators find a cypher that may hold the key to the Zodiac Killer's identity, as well as a link between the murderer and an unsolved cold case.
EPISODE 2
The Military Connection
The team find clues that the killer may have been in the US Armed Forces, as the supercomputer pinpoints symbols in the code that only a scarce few could have known.
EPISODE 3
A New Code Uncovered
The team locates a curious new cipher associated with the Zodiac Killer, while the supercomputer identifies an odd lunar pattern that connects the killings. Plus, a riddle left by the killer may reveal the location of a body.
EPISODE 4
The Secret FBI Files
The hunt reaches high-gear as the FBI releases secret files on the mysterious Zodiac Killer, and a handwriting analyst connects the Zodiac's letters to a taunting letter mailed 3000 miles away in Albany, New York.
EPISODE 5
The Code Is Cracked
The Code Team announce that a team member has solved the zodiac's infamous Z340 code, which has eluded codebreakers for 50 years.
Sal LaBarbera
Kevin Knight
Kenneth Mains