in 1993, the supreme court made a decision, dalbert, says judges have to serve as gate keepers for sciencejust because someone has a ph.d., says i did an analysis, that's not good enough. it has to be science that has had testing through double blind tests and the scientific method. this sounds like classic junk science. by the way, the jury can hear this tape for themselves and make a decision. we think it sounds like one or the other. they don't need an expert. this was exactly the right decision by the judge. >> does everybody on the panel agree with that? >> yeah. you know, i agree with it, but i think so many people are classifying this, anderson, as a huge loss to the government and huge loss to the state. i don't agree with that. i think now what it set up is for people in trayvon martin's family to get on the witness stand and identify the voice as that of their family member. >> but zimmerman's family also say that was george zimmerman. mark? >> exactly. right. that's what his father has already testified to in the pretrial hearings. this was a blow to the prosecution because they