who killed don fluitt? detectives believe that if they could i.d. ey would have their answer. as they worked to whittle down their list of suspects, the fluitt family was mourning don's loss. here again is dennis murphy with the figure in the garage. >> to say don fluid -- fluitt love the christmas season is to put it mildly. >> he was obsessed. there was lights, music. it was everywhere. >> don's family was still grappling with the fact that he would never see another christmas, no one more distraught than his daughter, sienna. >> she said she just was praying about it. she would cry. >> meanwhile, detective kaplan was looking very closely at the apparent bad blood between don fluitt and his brother, dennis. >> they kept talking about it and estrangement between the two of you. you know what they are talking about? oh, yeah. when my dad passed we had an agreement on his belongings. there was a set understanding. don didn't keep his part of the deal and kept one of the trucks we were going to sell. dennis said he tried to reach out to don just a coup