killer in her first tv interview kerri rawson told 2020 about the day she learn read more watch the full story my father btk this friday feb 1 at 10 pm et on abc more how kerry rawson learned her dad was btk serial killer charlie otero was in 15 when he came home to find his parents and two of his siblings brutally murdered by serial killer btk dennis rader dennis rader is pictured in a photo released feb 27 2005 in sedgwick county kansas sedgwick county sheriffs office via getty images and to this day i cant tell you what i said several days later a boy walking his dog found her body he was known for taunting local media and police with letters and phone calls seeking recognition and detailing his horrific crimes it didnt even look like my mother sedgwick county district attorneys office dolores davis 62 was retired and living alone i spent months working on that victim impact statement davis recalled i went to the back door of the kitchen entrance and opened it up and walked inside and i looked at the stove they swear its him charlie otero said she was murdered by btk dennis rader in 1977 they called the police from a neighbors house and when police arrived they discovered the bodies of 11yearold josie in the basement and 9yearold joey in another room now read more years passed and in april 1985 rader murdered his eighth victim and neighbor marine hedge who lived just six doors down from him and his family sedgwick county district attorneys office charlie otero says one of his siblings then yelled to him charlie come quick he confessed to the crimes while in police custody charlie otero was 15 years old the day his parents and two of his siblings were murdered by the notorious btk serial killer i thank god every day for the fact that i didnt find joey and josie because i dont know how i would have handled it he said my mother was a very caring giving type of person jeff davis author of the shadow of evil told 2020 abc that kind of stuff happens to somebody else but not to someone in your family said beverly fox courtesy of jeffrey davis more than a decade later police were finally able to match dna found at the otero crime scene with that of dennis rader on feb 25 2005 police arrested rader who had been on his way home to have lunch with his wife but im glad i did it said fox of her impact statement she was a very tidy person and the kitchen never looked like that my father was a really outgoing jovial kind of guy charlie otero said sedgwick county district attorneys office later that year rader killed 21yearold kathryn bright and in 1977 he killed shirley vian after locking her three children in a bathroom beverly fox said