Were the Zodiac and Black Dahlia Crimes Committed By The Same Killer?

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 case centered around the killing of Elizabeth Short, a young Hollywood hopeful. Now, a retired LAPD homicide detective has made a startling claim about these cold cases: he says the crimes were committed by the same killer.