Brett Seacat is on trial for allegedly killing his wife , Jennifer . Defense attorneys say she set the fire and shot herself . Those sentiments were echoed Monday by Vashti Seacat 's friend , Erika Head , who spoke to HLN 's Nancy Grace . `` She was very happy with her life , and she knew that things were looking up , '' Head said about Seacat , saying she was `` never , ever '' suicidal . They say he was upset about the couple 's divorce .
Brett Seacat is on trial for allegedly killing his wife , Jennifer . Defense attorneys say she set the fire and shot herself . They say he was upset about the couple 's divorce .