O'Mara continued to question Gilbreath about the language of the affidavit.

"Where did "confronting" word come from?" O'Mara asked.

"The fact that the two of them obviously ended up in that area, according to one of the witnesses we talked with, there were arguing words going on before this incident occurred," he said.

The state then talked to Gilbreath about his history in law enforcement, which has lasted more than 20 years.

Gilbreath stated that Martin had done nothing illegal and was unarmed the night he was shot dead.  At that moment, court cameras caught Zimmerman whispering something to O'Mara.

Gilbreath also recounted a phone conversation Martin had with a female in Miami, saying that another detective handled that aspect of the investigation.

Gilbreath said Zimmerman continued to follow Martin for less than a minute after being told that wasn't necessary by a police dispatcher.

"Do you know who started the fight (between Zimmerman and Martin)?" O'Mara asked.

"No," Gilbreath said.

O'Mara then focused on Zimmerman's statements to investigators on the night of the shooting.

Gilbreath said Zimmerman told officers on the night of the shooting that he was a victim because Martin had confronted him.

Gilbreath said there's no evidence that conflicts with Zimmerman's claim that Martin assaulted him first.

"As to who threw the first blow?  No," Gilbreath said.

Gilbreath said the shooting occurred in "close proximity," after being asked by the judge.

O'Mara asked Gilbreath about Zimmerman's head injuries, and Gilbreath said concrete could have caused the lacerations but didn't know exactly what caused them.

After questioning was completed, Zimmerman asked to make a statement in court.

"I wanted to say I am sorry for the loss of your son.  I did not know how old he was.  I thought he was a little bit younger than I, and I didn't know if he was armed or not," Zimmerman said.

The state pressed Zimmerman about the comments, saying they were directed to Martin's family and the media.

"Why did you wait so long to tell them," De la Rionda said.

"I was told not to communicate with them," Zimmerman said, adding that he asked his legal representatives to express the sentiment to Martin's parents.

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