that this person has a long rap sheet and that she should arm herself. >> reporter: and after cindy shot nissim>> she had bruises on her arm and she had like scratches or bruises on her neck. >> reporter: and that "shot him in the back" thing? the defense called a medical expert of its own who said the first bullet was in nissim's side, when he turned his body as if to reach for a gun. >> within a fraction of a second he would fall forward and during that period of time he gets all the rest of the gun shot wounds. >> reporter: the defense wanted to ask the lead detective, diana roman, just what she told cindy after her husband was murdered. roman has denied ever telling cindy to buy a gun or congratulating her for "taking out the trash" when she killed nissim. but here in court, the judge would not let the defense ask about those things, though, she did allow questions about all those texts and calls. >> you told janepsy to stay close to him? >> i asked her to maintain a communication that already existed there. >> reporter: but, the big issue, of course, was that d.e.a. audio tape. >> i knew w