it's just weird. beau would just walk away. >> two americans missing. rumors began to swirl. could their disappearances be linked? >> the more you think about something like that, you know, it didn't add up. >> did it eat at you? >> yes, i kept thinking about it. because it wasn't right that cher would leave. i knew this girl would not leave town without saying good-bye and without a party. and beau could leave, but the two of them going together, i'm just like sending their belongings after the fact doesn't sound right. >> and then chris continue heard something that made the floor drop from under her, beau had abruptly stopped paying his bills, something totally unlike him. >> i just woke up one morning. it's a weird thing. i just knew. i couldn't ignore it anymore. i just couldn't. somebody had to do something. >> she went to the police. did she immediately investigate some. >> no.