Rev. Al Sharpton's mother passes.

Republican Gov. Rick Scott, who was elected after the law's passage, said he's open to suggestions if the Martin case illustrates problems with it.

Mr Zimmerman has said he shot Mr Martin to defend himself after the teenager attacked him.

"If vigilante justice becomes the norm, will visitors feel comfortable coming to our state?" she said.

Mallett’s aunt Arletta McCrimmon, 58, said that her nephew moved from Tennessee to Columbus to live with her in January.

According to Chris Tutko, the director of the National Neighborhood Watch Program, there are about 22,000 registered watch groups nationwide, and Zimmerman was not part of a registered group -- another fact the police were not aware of at the time of the incident.