scharf. >> jody scharf was simply worth more dead than alive.d, marian feared that he might do something violent if she pushed for the divorce. even so, marian said she was determined to get away from her husband. >> she was going to have the divorce papers served on steven and she was very afraid of it. >> yet, was steven violent enough to kill his wife? an unlikely but powerful witness was about to testify against steven scharf. >> i'm here for my mother. >> his own son took the stand against him. now a businessman, jonathan scharf painted his father as an angry, violent man who terrorized his mother. >> do you see that abuse? >> i did. >> jonathan scharf said he realized his father had likely killed his mother only after that arrest in 2008. this videotaped interview shows him recalling the dark past for the first time to police. >> she got -- >> now in court, he had even more to tell about his childhood. like the afternoon he sat cowering in the back seat of a car watching his mother suffer. >> my mom was driving and my dad was hitting her w