wrap up its case, it would put sybrina fulton, trayvon martin's mother, on the stand and ask her that question, who was that voice. i don't think anybody anticipated in the same day george zimmerman's mother gladys would take the stand and be asked the same exact question after hearing the same exact audio. take a listen again. >> ma'am, that screaming or yelling, do you recognize that? >> yes. >> and who do you recognize that to be, ma'am? >> trayvon benjamin martin. >> do you know whose voice that was screaming in the background? >> yes, sir. >> and whose voice was that? >> my son, george. >> and are you certain of that? >> because he's my son. >> reporter: and, of course, it was one mother that began the testimony today, and it was another that almost was the very last voice that the jury heard before they went off on their weekend break.