>> i did. >> reporter: jonathan scharf said he realized his father had likely killed his mother only that arrest in 2008. this videotaped interview shows him recalling the dark past for the first time to police. >> she got coffee thrown at her by him. >> reporter: 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 with the bottom of his fist. i was just begging him to stop doing it. >> reporter: he also remembered the last day of his mother's life. he was 10 and said his mother told his father that she didn't want to go out with him alone. >> she said, if i wanted to go out with you, i wouldn't be divorcing you. >> reporter: where was the proof that stephen planned to kill jody that night? well, there was the hammer in the picnic bag. but there was also testimony from this woman -- one of stephen's old girlfriends. >> i even mentioned to my girlfriend that it was a perfect relationship. >> reporter: terry schofield had been dating stephen

the defense lawyer said it was jonathan, not his dad, who was motivated by greed. if stephen scharfvicted, his son would get all that insurance money. >> who's the money go to? >> it goes to me. >> in the end, the lawyer called stephen scharf's son a spoiled brat. >> that sounds like some spoiled kid -- >> who was not a credible witness. in closing, he insisted that this wasn't a murder case, just a sad story about a woman who tumbled drunkenly to her death. >> this case is an accident, nothing more, nothing less. >> soon it would be in the hands of a jury. >> coming up -- >> it was the lightbulb, you couldn't help but think, that's interesting. >> the jurors speak. what would they decide? >> stephen, did you kill your wife, jody? >> the verdict when "over the edge" continues. withwhat sore back?sk... what bum knee? advil is relief that's fast strength that lasts you'll ask... what pain? with advil i'm your phone,istle text alert. stuck down here between your seat and your console, playing a little hide-n-seek. cold... warmer... warmer... ah boiling. jackpot. and if you've got cut-r

the defense lawyer said it was jonathan, not his dad, who was motivated by greed. if stephen scharfcted, his son would get all that insurance money. >> who does the money go to? >> it goes to me. >> reporter: in the end, the lawyer called stephen scharf's son a spoiled brat. >> that sounds like some spoiled kid. >> reporter: who was not a credible witness. in closing, he insisted that this wasn't a murder case, just a sad story about a woman who tumbled drunkenly to her death. >> this case is an accident, nothing more, nothing less. >> reporter: soon it would be in the hands of a jury. >>> coming up -- >> it was a lightbulb. you wouldn't help but think, that's interesting. >> the jurors speak. what would they decide? >> stephen, did you kill your wife, jody? >> the verdict when "over the edge" continues. lident is the fact that it's very, very tough on bacteria, yet it's very gentle on the denture itself. polident consists of 4 powerful ingredients that work together to deep clean your denture in hard to reach places. that work together a lot of paints say ordinthey can do the job,v