After she vanished, there were unconfirmed reports that Cynthia Dawn Kinney had been sighted, and some thought she was abducted and traveling with a religious group — but those leads were dead ends. Another tip received 15 years after Kinney disappeared involved Hobart Green and the fact that he may have been with her the day she went missing. According to The Charley Project, Green was accused in the 1961 death of his wife, Maxine Beatrice Green, from Pawhuska, Oklahoma, but her body was never found. In 1985, Green’s missing son was found dead on his father’s property, The Oklahoman reported that year. Green pleaded guilty to his son’s murder in 1986.
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Green’s potential links to Kinney were never confirmed, and from there, the case went cold. In 2021, Examiner-Enterprise columnist Dale Lewis considered several known serial killers from the 1970s who were potentially in Osage County, including Samuel Little and Ted Bundy, but nothing added up. Meanwhile, in 2005, Dennis Rader was arrested and pleaded guilty to 10 high-profile murders in the Wichita, Kansas area, not far from Pawhuska, NBC News reports. As of August 2023, Rader was a prime suspect in the teenager’s disappearance, according to the Associated Press.