A close relative of the man recently identified as the infamous Zodiac Killer exclusively told RadarOnline.com that she “100 percent” believes he committed the murders. In a striking development to come just days after Air Force veteran Gary F. Poste was identified as the Zodiac Killer by a former FBI agent, the alleged killer’s family spoke out to claim that Poste was “entirely capable” of committing the cryptic crimes. Poste’s family also revealed that Poste was a “twisted,” “sadistic,” and “very secretive” person before his death in 2018 at the age of 80. Poste’s former daughter-in-law, who asked only to...