>> jody scharf. >> reporter: the recordkeeper of a dating service testified that jody's name was on ano share with a mate. the attorney offered that as proof of stephen and jody's open marriage. but what really rankled the defense, what had torn at the heart of stephen scharf was the testimony of his son jonathan. >> i remember her showing me her bruises. >> reporter: he painted his father as a brute and possibly a killer. >> i never hit jody. it made me sick to my stomach. >> reporter: the young man wasn't to be believed, said the lawyer. for one thing, when police interviewed jonathan back in 2008, the young man described his dad as a good guy. >> i think he was -- you know, fairly -- decent, you know -- fairly decent guy. >> reporter: it was only after detectives told him his dad had just been arrested that the son turned on his father. >> she got coffee thrown at her. >> before you found out that your dad was a rested did you lie? >> yes. >> did you lie more than once? >> yes. >> reporter: why would jonathan turn on his father and lie? the confidence lawyer said it was jonathan, no