He terrorized a Kansas community for decades. A serial killer called himself BTK for bind, torture, and kill, because that's exactly what he did to his victims. His spree lasted from 1974 to 1991, where he claimed 10 lives, including 2 children. It would take another 14 years for him to be unmasked, but in 2005, people were shocked to learn the killer had been living among them all this time. InsideEdition.com's Mara Montalbano (https://twitter.com/MaraMontalbano) has more.