IMPACT x Nightline

Kill Code: Black Dahlia & Zodiac - Two Cases, One Killer? (4x14)

Uitzenddatum: Jan 22, 2026

The Zodiac and the Black Dahlia murders: Two of America's most notorious unsolved mysteries. Could it be the same killer? Following a trail of cryptic clues, an amateur sleuth now says he’s cracked the code on both cases.