is there any doubt that potentially natalee is still alive?ich he murdered stephanie floor relation. that put it in perspective to me about murdering natalee. >> did it take a long time to come to that realization after hearing that case with ms. flores? >> it did. to me, it was shocking news for me to hear that joran had murdered another young woman. that all came in to perspective to me that he's a violent -- he's a killer, you know? >> to do a show like this, some would think, why would you want to put yourself through that, you're hearing from all of the other people and the torment and the torture they would have to go through. and we would kind of surface feelings that you would have. you didn't feel that way. this is something you embraced and wanted to do. >> it's interesting because to "vanish," now that i'm doing it with a huge platform with lifetime and reaching the people, i had been doing it quietly in the years before. five years i had gone in to the search of a missing loved one, working with law enforcement, helping to organize