NBC News' Amy Robach makes her debut on “Dateline” with the story of Bernadette Sugrim, a woman who lived in fear for her life in Kalamazoo, Michigan. Early on in their marriage, her husband Brian revealed that he had killed someone. A secret he made her keep, he told her he would kill her and her family if she told anyone. And when she finally broke her silence, she put a killer behind bars.
Day of Reckoning airs Friday, April 20th, at 10pm/9c on Dateline NBC.