A New Code Uncovered
S1, E3: The team uncovers a mysterious new cipher related to the Zodiac Killer, while the supercomputer uncovers a strange lunar pattern linking the killings. A taunting riddle by the killer may lead to a body.

S1, E3: The team uncovers a mysterious new cipher related to the Zodiac Killer, while the supercomputer uncovers a strange lunar pattern linking the killings. A taunting riddle by the killer may lead to a body.