There are new revelations about Trayvon Martin’s final moments released in an interview during a Good Morning America segment Tuesday morning.

Seconds before Martin was killed, he was on the phone with a 16-year-old girl.

ABC News was there as an attorney for the Martin family questioned the girl about what happened that night. The girl’s parents asked that her identity not be revealed.

“He said this man was watching him. So he put his hoodie on…” She then went on to say Martin was cornered. “Trayvon said ‘what are you following me for?’ The man said ‘what [are] you doing around here.’” The girl then said that’s when things took a turn.

“Then somebody pushed Trayvon cause the headset just fell.” She then said the phone line went dead. Soon after, Zimmerman killed Trayvon.

Zimmerman confessed to the shooting, but claimed self-defense.

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State Attorney Norm Wolfinger announced Tuesday morning a Seminole County grand jury will review the death of 17-year-old Trayvon Martin.

Here's Wolfinger's full statement:

"I share in the desire of the family and the community to accurately collect and evaluate all the facts surrounding the tragic death of Trayvon Martin. That is why I directed the expeditious review of the investigation which was delivered by the Sanford Police Department one week ago today; areas for further investigation have been identified; and, the Florida Department of Law Enforcement has agreed to assist and has been working hard with my office since Friday March 16th.

I will also be utilizing the investigative resources of the Seminole County Grand Jury which will be called to session on Tuesday, April 10, 2012.

I respectfully request that the public remain patient as this process continues forward. We are a country based upon law, and as the State Attorney for the Eighteenth Judicial Circuit I am sworn to uphold those laws. As I have previously stated, the public is entitled to no less than a thorough, deliberate, and just review of the facts.

We intend to honor that commitment."

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FBI now getting involved

The deadly shooting of Martin by a neighborhood watch volunteer in Sanford has gotten the attention of federal officials and investigators.

Late Monday night, the FBI announced it is opening an investigation into the shooting.

The Justice Department also said it is sending a team to Sanford to investigate and address tensions in the community.

Meanwhile, Gov. Rick Scott has directed the Florida Department of Law Enforcement to give any assistance necessary to local investigators.

It all comes after newly released audio from calls to a non-emergency police line raised new questions about George Zimmerman, the man who shot Trayvon Martin in late February.

Zimmerman took his job seriously. Since January 2011, he has called police 46 times.

Many of those calls were to report young, black men in his neighborhood.

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Dispatcher: "Is he White, Black or Hispanic?"
Zimmerman: "Black."

Dispatcher: "Mr. Zimmerman can you describe the two individuals?"
Zimmerman: "Two African-American males."

Dispatcher: "What do they look like? Are they Black, White or Hispanic?"
Zimmerman: "Two black males in their late teens."

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Those calls could have fit the description of Trayvon Martin, whom Zimmerman said he shot and killed in self-defense.

We asked law enforcement officers if it was common for neighborhood watch groups to call as many times as Zimmerman had. All they said was that they do encourage neighbors to call whenever they spot something suspicious.