She had been having an affair with her boss. The Prosecutor Says after he shot his wife, he washed his hands and washed his forearms. They called us back at noon and started the trial. I thought he made one of the worst mistakes id ever heard of. It was obvious there was something that just wasnt right. The only thing ive ever wanted was for everyone to hear the truth. I told him that i would fight with everything i had in me. Thats the promise i made to him. A crack in everything. Hello and welcome to dateline extra. Im craig melvin. It seemed like an idyllic smalltown life. Brad and Lisa Jennings had been married nearly two decades and ran the farm that had been in the family for more than a century and a half. There were movie nights with the kids, family vacations. But there were also latenight arguments. So what happened on that tragic evening in the jennings home . Heres keith morrison. Reporter it was his secret that started it, a secret gift. It was Christmas Eve in the year 20