Preview: Dow's Final '48 Hours Mystery'

NEW YORK (CBS 2) -- The very last story that the late Harold Dow worked on here at CBS will air tonight on 48 Hours Mystery.

It's the story of the so-called, "Dating Game Killer," whose crime spree spanned from California to New York - a mystery for 40 years.

Here's a preview of the show that Harold Dow's nephew Jay Dow helped bring to conclusion.