pause, and a gunshot. it is absolutely inconsistent with a hired hit. reporter: if not a hit, then what happened? the defense had a theory. it involves this photo of crystal s son javonte found near her body. it s obvious that miss taylor was holding that picture when she got shot. reporter: schneider wasn t allowed to directly spell out his theory for the jury. he did for us. i think she was confronting her killer saying, the only thing you re going to see is a photograph of your son until you pay child support. and you think that s when she was shot? absolutely. reporter: the defense suggested javonte s father killed crystal. never mind that police had cleared him early on. derek s lawyer told the jury his client was an innocent man. but this tragedy, it will be compounded if you convict a person that is not involved. and i m asking for a not guilty
as crystal taylor s family tried to figure out how to cope with her murder, detective robbie williams tried to figure out who might have wanted her dead. when we started re-creating that person s life, you know, we re trying to find out who would have the motivation to do this. and oftentimes, you know, a civilian like she was, not involved in any criminal enterprise, we tend to focus on relatives or relationship partners. reporter: the 11-year-old girl who d seen the shooter running told cops just before the shot rang out, she heard a man and a woman arguing. was that a clue? detective williams learned crystal had a boyfriend named dino. just a hard-working guy. was in a relationship with crystal on and off. and this is coming from the family and friends that knew about dino. reporter: and there was kenneth woods, father of crystal s 10-year-old son javonte.