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Crime & Justice • Serial Killer

Dennis Rader

Dennis Rader, known as the BTK Killer, is an American serial killer convicted of murdering 10 people in and around Wichita, Kansas, between 1974 and 1991.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Dennis Rader, also known as the BTK Killer, is an American serial killer convicted of murdering 10 people in and around Wichita, Kansas, between 1974 and 1991. He coined the nickname BTK from the phrase “bind, torture, kill,” referring to his method of murder.

Background

Dennis Rader was born in 1945 and lived in Kansas, where he worked and presented himself publicly as an ordinary community member. He later became known as one of the most notorious serial killers in U.S. history.

Crimes

Rader killed at least 10 victims in the Wichita area between 1974 and 1991. He selected victims over a long period and sent communications to the media and police during the investigation.

Identification and arrest

Rader resurfaced publicly in 2004, and investigators eventually linked him to the case using a floppy disk and DNA evidence. He was arrested in 2005 and later pleaded guilty to the murders.

Imprisonment

Rader is currently incarcerated in Kansas and is serving multiple life sentences. Sources describe him as alive and held at El Dorado Correctional Facility.

Key facts

  • Dennis Rader is an American serial killer known as the BTK Killer.
  • BTK stands for “bind, torture, kill.”
  • He killed at least 10 people in Kansas between 1974 and 1991.
  • He was arrested in 2005 after investigators traced a floppy disk to him and linked him by DNA evidence.
  • He is serving multiple life sentences in Kansas.

Frequently asked questions

Who is the BTK killer?
The BTK Killer is Dennis Rader, an American serial killer convicted of murdering 10 people in Kansas.
What does BTK stand for?
BTK stands for “bind, torture, kill.”
How many victims did BTK have?
He is confirmed to have killed 10 people.
When was BTK caught?
Dennis Rader was arrested in 2005.
Where is BTK now?
He is alive and incarcerated at El Dorado Correctional Facility in Kansas.
BTK killer Dennis Rader?
Dennis Rader is the BTK Killer: his full name is Dennis Lynn Rader, and he was convicted of the BTK murders.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Dennis_Rader
    Supports: Full name, nickname, meaning of BTK, victim count, location and years of killings.
  2. Encyclopaedia Britannicahttps://www.britannica.com/biography/Dennis-Rader
    Supports: Rader is alive, BTK meaning, incarceration location, and life sentences.
  3. A&Ehttps://www.aetv.com/articles/dennis-rader
    Supports: Nickname meaning, victim count, and summary of crimes.
  4. Biography.comhttps://www.biography.com/crime/dennis-rader
    Supports: Victim count, arrest date, and life sentences.
  5. Netflix Tudumhttps://www.netflix.com/tudum/articles/my-father-the-btk-killer-release-date-news
    Supports: Nickname meaning, victim count, and arrest details involving floppy disk and DNA.
  6. The Wichita Eaglehttps://www.kansas.com/news/special-reports/btk/article225082655.html
    Supports: June 27, 2005 guilty plea and 10 murders.