The documentary series, "Missing Dial," follows Roman Dial's eight-month search in Costa Rica, accompanied by private investigators. Among the theories for his disappearance, the show will examine the dark rumors swirling around the remote Osa Peninsula that Cody Dial was murdered.
David Gimelfarb had traveled to Costa Rica alone for a brief vacation before he was to return to his doctoral studies in psychology in Chicago. On the morning of Aug. 11, 2009, David left his passport and other possessions in his Guanacaste hotel, drove a rental car to the national park, signed the park’s logbook and vanished.
A Facebook page set up by the family of missing 20-year-old Alysson Mercier from Gatineau, Quebec, includes a post from a user named Edgar Mata who claimed to have seen Mercier in La Fortuna, San Carlos, near Arenal Volcano, on Monday, July 20, a day after Mercier's family last heard from her.