Gagged woman serial killer BTK drew in torture fantasy sparks new clues for investigators
Dennis Rader, the BTK serial killer, is a suspect in multiple cold cases but denies involvement
{{#rendered}} {{/rendered}}An Oklahoma sheriff spearheading new investigations into the convicted serial killer Dennis Rader, also known as BTK, is hoping that decades-old sketches may jog someone's memory and help investigators crack multiple cold cases.
Since the Osage County Sheriff's Office began looking into potential connections between Rader and Cynthia Dawn Kinney, a 16-year-old Pawhuska girl who vanished from her aunt and uncle's laundromat in 1976, detectives have unearthed tips, leads and new evidence.
In August, Osage investigators revealed a BTK journal entry about victimizing "a girl or lady" in a laundromat he planned to call "Bad Wash Day."
{{#rendered}} {{/rendered}}Investigators hope to continue raking in clues with the release of several of the killer's sketches, recovered from his notes after his arrest in 2005.
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Oklahoma investigators have shared several sketches from the notebook of serial killer Dennis Rader, also known as BTK, for his preferred method to "bind, torture, kill." Rader also had a "fascination" with barns, according to investigators, who believe they may have possibly identified the woman depicted in a green dress. (Osage County Sheriff's Office)
Undersheriff Gary Upton says there is already a possible identity for at least one of the women in Rader's sketches — the one in the green dress. However, he declined to release that identity.
{{#rendered}} {{/rendered}}In August, Upton told Fox News Digital that investigators were looking into Rader for possible connections to multiple cold cases in addition to Kinney's but declined to go into specifics.
According to the National Missing and Unidentified Persons System, there are five missing women unsolved cases in Kansas from between Rader's first kill in 1974 and arrest on Feb. 25, 2005.
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{{#rendered}} {{/rendered}}Cynthia Dawn Kinney is seen in a black-and-white photo from 1976. She was last seen wearing bluejeans and a peach blouse, leaving the Osage (Oklahoma) Laundromat and entering a beige Plymouth with two women in 1976. (National Missing and Unidentified Persons System)
Only one of them was last seen wearing a green dress — Carol Sullens, an exotic dancer last seen outside her job at a club in Galena speaking to a man outside a pickup truck with a camper shell, according to the Charley Project.
She was just 18, 5 feet, 3 inches tall and weighed 100 pounds. And she has never been found – however, according to the organization, two men were charged in 2002, one of whom claimed to have accidentally caused her death.
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{{#rendered}} {{/rendered}}Carol Marlene Sullens went missing on Aug. 31, 1991, from an exotic nightclub in Galena, Kansas. She was wearing a green "shirt-like" dress. (NamUs)
Rader was known to take solo camping trips, his daughter, Kerri Rawson, has told Fox News Digital. However, she said he didn't own a truck until at least the mid-1990s.
And Sullens' disappearance doesn't fit his modus operandi, according to John Kelly, a criminal profiler and psychotherapist who has interviewed serial killers.
{{#rendered}} {{/rendered}}Oklahoma investigators have shared several sketches from the notebook of serial killer Dennis Rader, also known as BTK, for his preferred method to "bind, torture, kill." Rader also had a "fascination" with barns, according to investigators, who believe they may have possibly identified the woman depicted in a green dress. (Osage County Sheriff's Office)
"These guys have different kinds of victims in mind, and some of these guys, prostitutes or strippers are just people from the other side of the tracks, if you will," he told Fox News Digital. "They're beneath them. Believe it or not, this is how they think."
Rader confessed to 10 murders after his arrest — all of which took place near his home in Park City, Kansas.
{{#rendered}} {{/rendered}}A hand-drawn envelope sent from Dennis Rader to his daughter after his arrest in 2005. The BTK serial killer is known for keeping detailed journals and sketches. (Kerri Rawson)
Rader has created hundreds of crude drawings, according to Lorie Howard, a cold case detective with the McDonald County Sheriff's Office in Missouri, who is leading the investigation into the unsolved murder of Shawna Garber, 53, in 1990.
"The girl with the green dress, you know, if they did find her, perfect," she said. She's just not sure.
Oklahoma investigators have shared several sketches from the notebook of serial killer Dennis Rader, also known as BTK, for his preferred method to "bind, torture, kill." Rader also had a "fascination" with barns, according to investigators, who believe they may have possibly identified the woman depicted in a green dress. (Osage County Sheriff's Office)
Rader is also a potential suspect in the Garber case; however, Howard says there's not enough evidence to file charges — and there's another credible suspect on her list, too.
{{#rendered}} {{/rendered}}"We're not sitting on our hands, we're doing our due diligence," she said. "I've got another suspect out here, with two witnesses claiming individually, separately, at different times, that their father killed her… It's not that we're not looking at Rader. We're just looking at the others also, and where the evidence leads us as to where we're going to go."
Garber is believed to have vanished from Joplin, Missouri, on or around Halloween in 1990. Her remains were discovered months later, hogtied near a barn, but weren't identified until 2021 through modern DNA methods.
Oklahoma investigators have shared several sketches from the notebook of serial killer Dennis Rader, also known as BTK, for his preferred method to "bind, torture, kill." Rader also had a "fascination" with barns, according to investigators, who believe they may have possibly identified the woman depicted in a green dress. (Osage County Sheriff's Office)
Rader is serving consecutive life prison sentences after pleading guilty to 10 brutal murders. At 78 years old he has fallen into poor health, with ailments including cancer and cellulitis.
{{#rendered}} {{/rendered}}Hoping they might gain a confession in exchange for sparing him the death penalty on any new cases, investigators offered him immunity earlier this year, Howard said.
Oklahoma investigators have shared several sketches from the notebook of serial killer Dennis Rader, also known as BTK, for his preferred method to "bind, torture, kill." Rader also had a "fascination" with barns, according to investigators, who believe they may have possibly identified the woman depicted in a green dress. (Osage County Sheriff's Office)
He waived his right to remain silent, spoke with them at length — and denied involvement in any other slayings.
However, Osage County Sheriff Eddie Virden said when his investigators dug up Rader's former Kansas property last month, they found new items of interest.
{{#rendered}} {{/rendered}}Oklahoma investigators looking into cold case murders have located a "pantyhose ligature" on the former Kansas property of Dennis Rader, the BTK serial killer (right), Osage County Sheriff Eddie Virden (left) tells Fox News Digital. Virden also says Rader is his "prime suspect" in the unsolved disappearance of a Pawhuska girl in 1976. (Alon Skuy for Fox News Digital and Bo Rader-Pool/Getty Images, File)
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"They won't give up," Rader himself told Fox News Digital. "Waste of taxpayer money."