In 1974, a serial killer terrorised Wichita, Kansas. Known as the BTK Killer due to the method in which would Bind, Torture and Kill his victims, his killing spree lasted for 7 years in which time he murdered 8 victims indiscriminately. Although he regularly communicated with police via a series of letters, BTK mysteriously disappeared in 1979 and has not been heard from in over 25 years. Incredibly, in March... see more