that was a story only her widower, brett seacat, could tell.up -- >> she wanted to make everybody happy. >> reporter: brett seacat has some secrets to share. >> he informed us that she would put on one face for the public and then she would be a different person at home. >> inside a relationship on the ropes. >> i made a perfectly clear i was going to do everything i could to make sure never sees the kids again. >> when dateline continues. agan >> when dateline continues with over 75 years of savings and service, geico is the easy choice. we could even help you with homeowners... oh! not again! oh, thanks! you know automated lights are just the beginning. pretty soon they're gonna have eyes... everywhere. well goodnight. geico. over 75 years of savings and service. >> reporter: fire is a terrible thing to happen to a family. but fire was only half of the deadly event that ruptured the seacat family of kingman, kansas. this was a fire and a shooting, apparently both the suicidal work of vashti seacat. and because it occurred in a small rural cou