IMPACT x Nightline - Full Series Information, Trailer & IMDb Reviews
IMPACT x Nightline Season 4 Episode 13
Episode Title: Kill Code: Black Dahlia & Zodiac – Two Cases, One Killer?
Countries:
United States,
Airing Date: January 22, 2026
Watch IMPACT x Nightline Season 4 Episode 13 online. Maybe available on Youtube, Netflix, PrimeVideo, Hulu, Disney and other legal streaming platforms.
The episode explores a controversial theory linking two of America's most famous unsolved crimes: the Black Dahlia murder and the Zodiac killings. An independent investigator follows a trail of cryptic messages, historical records, and forensic clues while asking whether both crimes could have been committed by the same killer.