Video of Martin suspect emerges
CCTV footage of George Zimmerman, the man who shot teenager Trayvon Martin, has been published by ABC News.
Task force to investigate 'stand your ground law'
Florida Governor Rick Scott has appointed a task force to investigate the shooting death of unarmed black teenager Trayvon Martin as calls grew for charges to be filed against the neighbourhood watch volunteer who killed him.
In addition to examining the Martin incident, the task force "will thoroughly review Florida's 'Stand Your Ground' law," Scott said.
The 2005 law, which has come under national scrutiny since the Martin killing, allows someone in fear of "great bodily harm" to respond with deadly force, and removes any duty to retreat if possible to avoid confrontation.
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Justified killing or judicial murder?
The case of the shooting of unarmed black teenager Trayvon Martin may have shocked America, but it is not an isolated incident.
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US President calls the murder of black teen a 'tragedy'
President Obama has said the killing of an unarmed black teenager by a neighbourhood watch officer is a 'tragedy.'
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Parents' fight for justice for their son Trayvon Martin
The parents of Trayvon Martin are demanding justice after the unarmed teenager was shot dead in Florida by a neighbourhood watch guard.