The investigative minds at How to Survive revisit the crime scenes of 1960s California to analyze the patterns and close calls that allowed a mysterious criminal to remain unidentified.

They are two of the longest unsolved crimes in American history, inspiring countless theories, books and films. The Zodiac Killer was linked to five murders in the late 1960s; the 1947 Black Dahlia ...

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

Nearly 60 years ago, the Zodiac Killer's reign of terror began on Dec. 20, 1968, when he murdered his first two victims. The Zodiac is one of the most infamous serial ...