"The purpose of this document is to provide a full and accurate accounting of the merciless and sadistic murders of Joseph Otero Sr., Julie Otero, Josephine Otero, Joseph Otero Jr., Kathryn Bright, Shirley Vian, Nancy Fox, Marine Hedge, Vicki Wegerle, and Delores Davis."   From 1974 to 1991, Wichita, Kansas was terrorized by a serial killer known as BTK. Part 2 is the continuation of the state's summary of the evidence. We pick up during a call to South Hydraulic, 1977.