This ia good place to stick theories. Remember to rate theories so we know which ones are the best and should focus more effort on developing.

The Zodiac Killer has many faces - The idea that the Zodiac Killer is more than one person using a persona to hide their true identity.

It is theorised that any Sagittarius male is probably the Zodiac Killer. I know this because I study astrology, I'm an expert.

Also Ted Cruz. Because, you know.