In 1974, the BTK serial killer terrorised the people of Kansas. Known for binding, torturing and killing men, women and... More

In 1974, the BTK serial killer terrorised the people of Kansas. Known for binding, torturing and killing men, women and children, he taunted police with his letters for 5 years before mysteriously disappearing in 1979. 25 years on, the FBI finally caught up with him in February of this year. This is the story of the longest running serial killer case in history.

BTK: The World's Most Elusive Serial Killer Full Episodes