he was taken back to a car that kenny landwehr was in. and he leaned in and said, hello, mr. ust totally enamored with kenny landwehr. he was kind of like, we're buddies. i'm from the dark side and you're on the light. >> 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