>> scott rothstein. >> and, how much was the reward in the case? ter: ironically, he never got the reward. the collapse of rothstein's ponzi scheme put an end to that. and as for the prosecution's theory of motive, fleisher argued it was as thin as it was nonsensical. >> you would think that if you were so enraged that your wife were doing this that you'd wanna harm her, and not someone else. >> reporter: as for debra villegas, defense attorney fleisher surprised everyone when he didn't ask her a single question. but he did go after the son, caleb, challenging him as to why he sat for so long on this story about his father badmouthing melissa. >> you didn't tell your mother about that when you first heard about that, did you? >> no. i didn't see any relevance. >> and when you spent time with him, things were good? >> yes. >> you love your dad? >> yes. >> reporter: would jurors notice the tear rolling down tony's cheek? so, onto the scientific evidence, the cellphone first. lawyer fleisher found a mistake in a chart the state's expert had used. was t