In an exclusive 2022 interview with The Sun, author and criminologist Christopher Berry-Dee asserted that Kenneth Bianchi, one of the Hillside Stranglers, is also the Alphabet Killer. The author of “Talking with Serial Killers” and “Inside the Mind of Jeffrey Dahmer” told the publication that he and Bianchi wrote back and forth for several years before he finally sat down with the convicted murderer in person. Berry-Dee first met Bianchi in the Walla Walla, Washington prison where Bianchi is serving his life sentence.
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Berry-Dee stated in the interview that he began to believe that Bianchi had killed the Rochester victims due to contradictions that came up during their correspondence. He said, “Bianchi’s lengthy correspondence to me, his habitual lying which is the bedrock of his sado-sexual psychopathology, combined with his forgetting what he told me one week to say something entirely different soon after, convinced me specifically that he was the killer of the three young Rochester girls.” The criminologist also pointed out that Bianchi refused to give a blood sample. He felt that if Bianchi had not committed the murders, he would want to submit a sample to show his innocence. But there is more to this theory than just Bianchi changing his story.