SAN FRANCISCO (KRON) – A piece to the puzzle in one of America’s most talked-about unsolved mysteries apparently fell into place as news surfaced Friday that a code in the Zodiac Killer case had been ...

Author Michael Connelly and former LAPD detective Rick Jackson will discuss their contested theory linking the Zodiac killings to the Black Dahlia murder.

A coded letter from the Zodiac Killer was finally deciphered after over 50 years. A code breaking team tested thousands of ways to crack the code on one of the killer's messages from the late 1960s.