sladewski, murdered at the age of 26. >> that's all for this edition of dateline, i'm andrea canning, thank you for joining us. >> she loved the beach. the tragedy of it all. the violent, horrible, final moments of her life. unimaginable. >> she was a free spirit in paradise. >> that had always been her lifelong dream, to have her own resort. >> then, like footprints in the sand, she disappeared. >> just strange. >> something is not right. >> some said the motel owner had simply checked out and left town. >> they saw her in line to get onto an airplane. >> but her prized car turn up the next calm behind the wheel. >> we thought, oh my god, it's, him he killed her. >> was it really that simple? her personal life is very complicated. a younger boyfriend. >> the young man was very charismatic, drop dead gorgeous. >> and an estranged husband. >> he had caught them having sex in room 11 >> the case really started to sizzle when someone torched the motel. >> we didn't know. >> this is a murder mystery of epic proportions. >> both of us were obsessed with the case. >> can this get any more