Bruce Davis was a member of the Charles Manson family that committed several murders.
Facts that rule out Davis being the Zodiac Killer;
- A California Bureau of Criminal Identification and Investigation report says that they have eliminated all male members of the Manson family as they have been investigated
- Bruce Davis' handwriting does not match that of the Zodiac's
- Davis does not look like the Zodiac Killer compared to sketches; he had long hair around the time of the Zodiac killings