I know, I know! It's been far too long since we posted a new episode. So, to make it up to you, we will be covering one of the most infamous unsolved crimes in the history of cold cases: The Zodiac Killer.

SOURCES: 

Cold Cases, a book written by Cheyna Roth

Buzzfeed Unsolved: Zodiac Killer

Songs:

Birthday by the Beatles

Closed Case by Jelena