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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.
First Air Date : Nov 14, 2017
Last Air date : Dec 12, 2017
Episode : 5 Episode
Season : 1 Season
Runtime: 50:14 minutes
Studio: History
Country: United States of America