CNN Anderson Cooper 360 June 21, 2013 08:19:00
Prosecutors want to put expert testimony on to say they can't conclusively say, they say based on the science it is trayvon martin. defense put on a really renowned expert saying there is no credibility in these experts and the voice at all. the voice is so far away. the instruments and speck tro graph they are using is outdated. there is no way to tell with any kind of scientific certainty. >> trayvon's mother said she was sure it was her son's voice. jean, we appreciate the update. let's dig deeper with mark geragos and joining me is marcia clark, author of "killer ambition." marcia, you say...
Source: archive.org