Zodiac Killer SuspectRichard Gaikowski (This page is still getting mobile. The original Gaikowski page is here.) If you have any information about this suspect, please contact me UPDATED JULY 15, 2020: Unfortunately, for years a certain individual has spread misinformation about Richard Gaikowski, including the false claim that Gaikowski was overseas for the Zodiac killer’s … Continue reading Zodiac Killer Suspect Richard Gaikowski