reporter: blogger don winner did some digging. he pulled documents from the public registry and found out that wild bill had actually bought more than just beau s home. bill cortez had taken over beau icelar s company. and the company owned the property. so shortly after bo goes missing, bill cortez and his wife are now the president and secretary of this company. they own it. reporter: bill was in a hurry to get bo s house remodelled and flipped to a new owner. he even placed an ad in the local paper trying to sell it. in fact, wild bill seemed to be on a real estate buying and selling spree. he got his first property in 2007 from a family living on an estate close to cher s island, the browns, father, mother, and teenage son. now, he acquired bo s house as well it was bill s next purchase that grabbed everyone s attention. bill showed up and said, yep, i bought everything. reporter: everything? everything. reporter: meaning your rental
her, bo 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. reporter: kristen went to the police. did they immediately investigate? no. they just put it in a file. and they go just yeah, yeah, yeah. people get lost in panama all the time. reporter: kristen reached out to someone she thought could help, another ex-pat, don winner, a man that runs a website for foreigners living in panama. i was contacted by one of her friends that was concerned that she was missing. and they asked for my help. reporter: don had lived in panama for decades and was a consultant on this story. he came here with u.s. military intelligence and never left. now he turns his attention to the two missing americans. i knew right off the bat, whoa, hey. what s going on here? and i knew that i had to apply a lot of time to it and a lot of attention