S1 E5 ∙ The Code is Cracked ∙

Sal and Ken investigate the epicenter of the murders. A team member solves the Zodiac's infamous Z340 code, which has eluded codebreakers for 50 years.

G

Contains Mature Themes

Series Selector for The Hunt for the Zodiac Killer

All episodes for series 1 of The Hunt for the Zodiac Killer