>> you shot her in the head. >> impossible. >> you burnt the house down around her. >> i would never burn our house. >> and you did it while your two kids, 2 years and 4 years old were in the house. >> absolutely not. i would never suppose my kids to anything like that. >> the investigation was thorough in this case and the kbi agents looked for any sign that would lead us to a conclusion that brett seacat would kill his wife. and all the evidence uncovered and all the evidence presented by both sides led to that conclusion. >> vashti's family was upset about things brett said on the stand about vashti's character but they said they found his testimony revealing. >> i was almost embarrassed that he was still claiming he was innocent when there were just so many things that would have had to have lined up perfectly, that would have had to have been a fluke. >> but brett's brother, bobby, felt the trial only confirmed