Reference harvested from a Wikipedia citation while seeding Zodiex. Captured as a source stub; not yet reviewed.
- Title: Why has the Zodiac Killer never been caught?
- Publication / author / date: SFGate — Katie Dowd — January 6, 2021
- URL: https://www.sfgate.com/sfhistory/article/why-has-Zodiac-Killer-never-been-caught-15847923.php