now to the case of mark despain, a father of three who was tragically gunned down in his own kitchen. what followed was a whodunit that had marks, family members pointing fingers at each other. mark despain wife michelle has arrived home to a heinous scene. the father of their children is lying dead. can i show my husband and the investigation into his murder is about to unravel? a diabolical family plot? it all seemed just too strange for a family man who seemed to have everything. >> i can hear his laugh. i miss him calling me mom. >> his grieving mom, tanya, was so proud of the successful real estate appraiser and property investor who provided his wife and kids with a comfortable life in an exclusive area of jonesboro, arkansas. so why would anyone want him murdered? >> he had a lot of people that loved him, and he is sorely missed. and his kids miss him too. >> tanya says. mark was also a good husband to michelle, his childhood sweetheart. the couple devoted parents to their two young suns, along with michelle's teenage daughter from a previous relationship. >> i liked her as the