The Zodiac Killer, who roamed Northern California in the late 1960s, was known for cryptic ciphers. He sent this Halloween card to San Francisco Chronicle crime reporter Paul Avery in 1970. He was never caught. Sharon Okada
The Zodiac Killer, who roamed Northern California in the late 1960s, was known for cryptic ciphers. He sent this Halloween card to San Francisco Chronicle crime reporter Paul Avery in 1970. He was never caught. Sharon Okada

Vallejo police have sent Zodiac Killer DNA to a lab. Results could come in weeks

May 02, 2018 04:39 PM