Local Oklahoma law enforcement believes Dennis Rader, the self-described BTK serial killer, is the main suspect in a missing people case from 1976 as a result of his decades-old private writings.

According to Osage County Undersheriff Gary Upton, Rader has been connect to the case of 16-year-old Cynthia Dawn Kinney, who last seen at a local laundry in June of that year in Pawhuska, Oklahoma, nearly two hours away from where Rader live and own property in Kansas.

The serial killer is currently serving 10 life sentences in jail after admitting guilt in 2005 to 10 killings he carried out between 1974 and 1991 in the Wichita region.

BTK

According to Upton, Osage County Sheriff’s Office detectives have been poring over Rader’s writings, which initially discover when he apprehend in 2005, since January in an effort to connect them to nearby unsolve killings.

To evaluate for their cold case and unsolved crimes investigations, investigators recently acquired the files from Wichita police, including found journals and an unpublished book manuscript.

Rader, who is known to have referre to his illegal activities as “projects,” made mention to a project dub “Bad Wash Day” in a 1976 journal entry that just made available by the sheriff’s office.

Rader noted in the diary that Laundry Mat was a nice area to observe victims and daydream. The aim was the brunette.

The “Bad Wash Day” project is link by Rader in journal entry to a section of an unreleased book that is though to an account of all the murders the killer consider to “successful,” according to Upton.

On the same notebook page, Rader also wrote by hand, “Out of town until things cool down.”

According to Upton, police suspect the murderer was most likely not at his Park City, Kansas, residence during the relevant period in 1976.

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