Dennis Rader - "The BTK Killer" - True Crime Documentary
By 2004, the investigation of the BTK Killer had gone cold. Then, Rader sent a letter to the police, claiming responsibility for a killing that had previously not been attributed to him. DNA collected from under the fingernails of that victim provided police with previously unknown evidence. They then began DNA testing hundreds of men in an effort to find the serial killer. Altogether, some 1100 DNA samples would be taken.
The police corresponded with the BTK Killer (Rader) in an effort to gain his confidence. Then, in one of his communications with police, Rader asked them if it was possible to trace information from floppy disks. The police department replied that there was no way of knowing what computer such a disk had been used on, when in fact such ways existed. Rader then sent his message and floppy to the police department, which quickly checked the metadata of the Microsoft Word document. In the metadata, they found that the document had been made by a man who called himself Dennis. They also found a link to the Lutheran Church. When the police searched on the Internet for 'Lutheran Church Wichita Dennis', they found his family name, and were able to identify a suspect: Dennis Rader, a Lutheran Deacon. The police also knew BTK owned a black Jeep Cherokee. When investigators drove by Rader's house they noticed a black Jeep Cherokee parked outside.
The police now had strong circumstantial evidence against Rader, but they needed more direct evidence in order to detain him. They controversially obtained a warrant to test the DNA of a Pap smear Rader's daughter had taken at the University of Kansas medical clinic while she was a student there. The DNA of the Pap smear was a near match to the DNA of the sample taken from the victim's fingernails indicating that the killer was closely related to Rader's daughter. This was the evidence the police needed to make an arrest
On February 25, 2005, Rader was detained near his home in Park City and accused of the BTK killings. At a press conference the next morning, Wichita Police Chief Norman Williams announced, "the bottom line... BTK is arrested." Rader pleaded guilty to the murders on June 27, 2005, giving a graphic account of his crimes in court.
On August 18, 2005, he was sentenced to serve 10 consecutive life sentences, one life sentence per murder victim. This included nine life sentences that each had the possibility of parole after 15 years, and one life sentence with the possibility of parole after 40 years. It meant that, in total, Rader would be eligible for parole after 175 years of imprisonment. This result guaranteed that Rader would spend the rest of his life in prison, without any possibility of parole.
Rader was ineligible for the death penalty, because Kansas did not have a death penalty during the period of time in which he committed his crimes. Kansas reinstated death penalty laws in 1994.
Rader was particularly known for sending taunting letters to police and newspapers. There were several communications from BTK from 1974 to 1979. The first was a letter that had been stashed in an engineering book in the Wichita Public Library in October 1974 that described in detail the killing of the Otero family in January of that year.
In early 1978, he sent another letter to television station KAKE in Wichita, claiming responsibility for the murders of the Oteros, Shirley Vian, Nancy Fox and another unidentified victim assumed to be Kathryn Bright (not identified because her brother survived and could have identified him). He suggested a number of possible names for himself, including the one that stuck: BTK. He demanded media attention in this second letter, and it was finally announced that Wichita did indeed have a serial killer at large. A poem was enclosed entitled "Oh! Death to Nancy," a botched version of the lyrics of the American folk song "Oh Death."
In 1979 he sent two identical packages, one to an intended victim who was not at home when he broke into her house and the other to KAKE. These featured another poem, "Oh Anna Why Didn't You Appear", a drawing of what he had intended to do to his victim, as well as some small items he had pilfered from Williams' home. Apparently, Rader had waited for several hours inside the home of Anna Williams, but left when she did not come home until later.
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