One of the most compelling Zodiac-Killer suspects, in my opinion, is the late Richard Gaikowski. He was very active in San Francisco's counterculture scene, matched the physical profile of Zodiac, and a variation of his nickname appeared in one of Zodiac's ciphers in 1969. Richard's claims to be in Europe during the first Zodiac murders in December, 1968, are problematic and unverified at best. Author James Bigtwin was acquainted with Richard in the 1990s in San Francisco. Sharing common interests in art, computers, music, and farming, James was astonished to learn that Richard had become a suspect in the infamous Zodiac-Killer case. James started his own research and hoped to find things pointing away from his friend; however, what he discovered in the archives of Stanford University only deepened the mystery. Since I am hosting a Zodiac-Killer event this weekend at Words and Lyrics cafe, I decided to include a promotion for James' fascinating deep-dive into odd conne...