The San Diego County Medical Examiner officially deemed Rebecca Nalepa's death a suicide. Case closed, right? Maybe not. In a press conference on Friday, investigators seemed to tie up loose ends: They showed a video that depicted how Nalepa could have tied her own hands and feet before hanging herself, and discussed their findings. But ABC News reports that investigators made no mention of a few details, and those details are giving new life to lingering doubts. Among them: