The serial killer known as BTK today pleaded guilty to 10 counts of murder, admitting in a chillingly matter-of-fact voice to a series of slayings that terrorised a US city for years.

THE 31-year manhunt for a serial killer who taunted police with letters about his crimes ended over the weekend when the authorities finally caught up with the man who called himself BTK. He was linked with at least 10 murders.

A manhunt for a Kansas serial killer who for 31 years taunted police with letters about his crimes ended last night when authorities said they finally caught up with the BTK killer and linked him to at least 10 murders.