During the 1960s and 1970s, The Zodiac Killer claimed 5 victims in the state of California. While committing his crimes, he maintained frequent communication with large newspapers in the San Fransisco Bay Area–namely, The San Fransisco Chronicle. Despite his heavy involvement with the media, his identity is still unknown to this day.
“Zodiac” By Robert Graysmith
“The Most Dangerous Animal of All” By Gary L. Stewart and Susan Mustafa