CNN CNN Newsroom July 4, 2013 19:10:00
What his mother, sybrina fulton, told anderson cooper. >> you've heard the 911 call where you hear somebody calling out help. do you believe that is your son's voice? >> yes, i do. i believe that's trayvon martin. that's my baby's voice. every mother knows their child. and that's his voice. >> let's talk about this with tanya miller. she is back. defense attorney and former prosecutor. also michael grieco, criminal defense attorney joining us from miami. tanya, to you. we heard from that audiologist at some point this week talking about familiarity of voice. right? >> yes. >> so presumably we ...