Gary Francis Poste was an American criminal known for his involvement in a series of violent crimes during the 1970s. He was convicted of multiple offenses, including murder, and was sentenced to life in prison. Poste's criminal activities drew significant media attention, particularly due to the brutal nature of his crimes. Poste was also linked to the infamous Zodiac Killer case, a series of unsolved murders that occurred in Northern California. Although he was never officially charged in connection with the Zodiac killings, some investigators have speculated about his potential involvement based on circumstantial evidence.