welcome back to "dateline: extra," i'm tamron hall. alex fazzino said he found his wife emily submerged in a bathtub, and that she must have overdosed. but the medical examiner's findings showed otherwise. how did emily die? there was much speculation within the family, and police had to confront alex with an odd question. here again is josh mankiewicz with more of "the quiet one." >> rumors were flying around the town of boone, iowa, right after emily fazzino's death. family and friends thought alex fazzino had killed his wife. >> they just kept saying over and over he murdered her. he murdered her. >> the whisperings started almost immediately. >> yeah. within a day. >> you're a murderer. >> that's what they were saying. >> and not just a murderer. emily's sister amy told investigators alex was also a mobster.