A former ballerina shoots her estranged husband. Was it self-defense or a cold-blooded act of revenge? Part 1 of this gripping "48 Hours" investigation explores the complexities of this case, leaving you questioning everything. With shocking twists and turns, this true crime story delves into the depths of human emotion and the devastating consequences of violence. Find out what happened and what the court decided. CASE UPDATE: Ashley Benefield was sentenced to 20 years in prison followed by 10 years of probation. Watch now!