The Hunt for the Zodiac Killer - The Military Connection

Seizoen: 1 - Aflevering: 2 / 2 - Eerst uitgezonden: 21 november 2017 - Episode ID: 1602857

The team uncovers clues that the killer may have served in the U.S. Armed Forces, as the supercomputer identifies symbols in the code that would have been known to only a few when it was written; Sal and Ken find new evidence.