>> i'm doing it. >> and with that, all of the circumstantial bits lined up and supported the idea of a planned murder. a plot that began after martin took up with gypsy. >> his wife finally finds out concrete evidence that he's doing it. he's trapped. what do i do? i can't lose my good name because i'm going to lose my job, i'm going to lose my reputation and everything else. so what does he do? >> drugs her and drowns her they now believe. and finally, the prosecutor agreed. and so on august 2012, martin's daughters sat in a utah courtroom holding up pictures of their dead mother as their father appeared in court on charges of first-degree murder. if she hadn't pushed, if she hadn't started making those calls, would this have ever gone anywhere? >> i don't think it would have come to me. >> so would -- >> probably would have closed it out as unfounded.