Working on a collective theory that the Son of Sam was a cult, and possible the zodiac killer was the same cult a few years earlier in the Bay areas.  Look at the similarities and draw your own conclusion.

Using footage from Now it can be told and Unsolved mysteries the similarities are common.  Could the Zodiac have been more than one person and behind it a satanic cult that carried out the murders and sent the letters to the police? 

Let us know what you think.