georgia will fall woefully short in proving the allegations that they are making against this man. i think their gut feeling was, come on, she's naked, she's buried this close to the house, she's obviously hidden. it's got to have been him. >> that's what you call a circumstantial case. >> yes. >> the defense attorney concedes he had some difficult circumstances to overcome in this case, beginning with the six hours of missing surveillance camera video from the night nique leili disappeared. clegg insists his client did not erase those files as the prosecution claimed. >> the video surveillance system was shut off at some point in the morning. matt believes that nique shut it off. he is insistent that he did not shut it off, that the system was shut off by nique. >> so, whatever happened to her, the cameras didn't see it. >> the cameras did not see it. that is absolutely correct. >> as for those audio recordings of the couple's screaming arguments, clegg pointed out that most were recorded in 2008 and 2009, two