>> 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, not his dad, who was motivated by greed. if stephen scharf was convicted, 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's some spoiled kid. >> reporter: who was not a credible witness. in closing the attorney insisted this wasn't a murder case. just a sad story about a woman who tumbled drunkenly to her death.