. >> reporter: robyn gardener vacations in aruba with 52-year- old gary j rorks dano, a man she met online. >> the head detective says we're arresting you for the murder of robyn gardener. >> reporter: the two apparently went smoothly -- went snorkeling, but something went wrong. iowa rue ban authorities conducted an xaisive search, but robyn gardener's family hopes something can be found. >> what can i share tonight? >> reporter: inside a small art gallery, family and friends gathered to remember robyn gardener, yet they've had a united front. >> we're here to remember her and keep hope alive that maybe one day she'll come home. >> reporter: robyn gardener's family is coping with the painful reality that they might never see her again. at the same time, they're holding out hope that they will at least find out what happened to her. >> if anyone had any information, that would be great. we'll take it. >> reporter: though he was never formally charged within gary jordano was the lone suspect. >> i think it's wrong. i think he's guilty of something. i'm not sure what he's guilty of. but just