Oklahoma officials may have tied a cold case disappearance to the infamous BTK serial killer. Dennis Rader ... new investigation into hundreds of Rader’s drawings and writings that were ...

Wichita? BTK serial killer Dennis Rader strangled dogs and cats before he began killing people, and began exercising to build up strength in his hands when he found it harder to choke his victims ...

Paula Rader also made a reference to the similarity between her husband’s poor spelling and the misspellings in BTK’s letters, Dennis Rader said in the court document: “In fact, my wife said ...

Convicted BTK killer Dennis Rader listens during a court proceeding, Oct. 12, 2005, in El Dorado, Kan. (Travis Heying/The Wichita Eagle via AP, Pool, File) (AP) — The BTK serial killer has been named ...