cher hughes was missing for two months. w her family and friends wondered if her disappearance had anything to do with another american who left the island abruptly, four months before cher. a man named bo icelar. >> bo was quiet. introvert. he was a really great guy. >> bo kept a low profile since moving to bocas from santa fe, new mexico in 2004. the former antique dealer was so quiet that no one even noticed when he took off. >> a lot of people say, let's go to argentina for six weeks. they don't e-mail everybody and tell them we're leaving. it's pretty easy to be not missed for a while. >> it made more sense when they found out that beau sold his home to wild bill, another american in their group famous for throwing lively parties many of the expats attended including cher's friend kristen. >> i knew that they wanted to sell and move somewhere different. and so i assumed they sold and that beau had left. >> still, as keith thought back to the days after beau moved out, an image kept returning to his mind. an image of bea