But under cross examination O'Mara played a tape of an interview with Jahvaris Fulton in which Fulton is heard saying "I'm not sure" when asked if that was his brother screaming. The jury was out of the courtroom at the time the tape was played. It's not clear whether they will be allowed to hear it at some point.
O'Mara had asked Jahvaris Fulton whether or not he had ever doubted that the screams were from his brother.
"When we heard it in the mayor's office I didn't want to believe it was him. It was clouded by shock and denial and sadness. I didn't want to believe it was him," the brother said.
Before the day's testimony was over, O'Mara put Zimmerman's mother, Gladys Zimmerman on the stand, replied the 911 tapes and sked her if she recognized the voice that was screaming.
"My son, George," she replied. When asked how she could be sure, she answered, "Because he is my son."