The Hunt for the Zodiac Killer

S01E0350 min· aired 11/28/2017
A New Code Uncovered
TMDb0.0
Overview
The hunt uncovers a mysterious new cipher related to the Zodiac Killer, 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.