'I'm a free American' - George Zimmerman defends decision to auction gun used to kill Trayvon Martin
The pistol George Zimmerman used in the fatal shooting of teenager Trayvon Martin is to be auctioned online.
The former neighbourhood watch volunteer told Florida TV station WOFL that he had just got the gun back from the US Justice Department, which took it after he was acquitted in Trayvon's 2012 shooting death.
