landwehr. >> dennis rader, in my estimation, was just totally enamored with kenny landwehr.. >> my boss calls and says, susan, you have to get to work right away. we're almost sure btk was caught. i got to tell you at that moment i literally felt this huge weight being lifted off my shoulders and i started crying. i never knew how afraid i was until the day he was caught. >> this is a breaking news alert from kake on your side. >> a quarter century search for wichita's worst serial killer is over. police confirming today they have made an arrest of btk. >> i got the phone call from my sister. she said they got him. i said yeah, right. she goes no, they really got him. they swear it's him. >> then the news blitz came on and it was all over everywhere. >> btk is arrested. >> police say this man, 59-year-old dennis rader, is the btk strangler. >> reporter: and you were still at that point convinced that they had the wrong man? >> i think reality was starting to creep in. because i knew that btk had strangled women. like, that's what i had know -- i knew from the news. it hit me