The BTK Story
Courtroom footage is available for this story for license and/or purchase from the IN SESSION archives – click here.
BTK's Signature
Undoubtedly, BTK didn’t want anyone to take the credit for the murders he committed. He was actually proud of his horrific actions. No where was it more evident then when he arrogantly signed his initials to many of the communications that were sent to
According to Tim Potter’s Kansas City Star article, only a select few working on the investigation ever knew that BTK signed his name in a “sexually suggestive configuration” in which he “stacked the ‘B,’ ‘T’ and ‘K’ from top to bottom with the ‘B’ shaped to look like a woman’s breasts.” The signature was deliberately kept from the public so that investigators could weed out possible copycat letters from authentic BTK communications, the report further suggested. Even though a large majority of the letters bore the BTK symbol, some of the communications did not.

Potter stated that the communications were evaluated by asking three specific questions and if most of the criteria were met then chances were high that the letter was from the murderer:
- ·Do the contents reveal knowledge only the killer would possess?
- Do the messages show a continuity, where each communication builds on past ones?
- Do they repeatedly use certain words or symbols, including a logo or signature (such as the BTK signature)?
Investigators realized that the more communication they could establish with BTK, the more likely it would be that he would slip up and provide them with valuable information concerning his identity. Sometimes, investigators actually initiated contact by placing an advertisement in the newspaper.
In 1974, the police put an ad in the Wichita Eagle that read “B.T.K. Help is available,” Stan Finger and Tim Potter reported 29 years later in the same paper. There was no known response to the police statement but in 1986 there was a suspicious ad that read, “Relief from Factor X is available at:


- Birth of a Serial Killer
- Dawn
- Fetish
- Different Worlds Collide
- Vanishing Act
- Ghost Busters
- The Next Step
- Cold Case Squad
- Profile
- Aftermath
- BTK Returns
- Will There Be More?
- More Clues
- Name Games
- Police Power
- Too Many Clues
- BTK Suspect Arrested
- Who is Dennis Rader?
- New Revelations
- Exercising Power and Control
- Rader Court Hearing
- New Clues
- BTK Messages Revealed
- Kerri Rader's DNA
- Digital Footprints
- BTK's Signature
- Those Who Remain
- Piecing Together the Puzzle
- Nightmare in Wichita - Book Review
- Not Guilty
- Rader Uncovered
- Creating an Insanity Plea
- Surprise Confession: Otero Murders
- Confession: Kathryn Bright
- Confession: Shirley Vian Relford
- Confession: Nancy Fox
- Confession: Marine Hedge
- Confession: Vicki Wegerle
- Confession: Dolores Davis
- The Psychopathic Mind
- Dennis Rader Speaks
- Legal Matters: Dennis Rader Update
- The BTK Tapes
- In Rader's Own Words
- Otero Murders' Evidence
- Mounting Evidence
- Shirley Vian Relford Case Evidence
- Nancy Fox and Marine Hedge Case Evidence
- Vicki Wegerle and Dolores Davis Case Evidence
- Evil Personified
- Sentencing
- Photo Gallery
- Bibliography































