George Zimmerman (left) was accused of
murdering Trayvon Martin (right)
George Zimmerman, the Florida neighbourhood watchman who shot dead an unarmed black 17-year-old male last year, has been found not guilty on all charges.
Lawyers for Mr Zimmerman, 29, argued he acted in self-defence and with justifiable use of deadly force.
The jury retired on Friday to consider its verdict on charges of either second-degree murder or manslaughter.
The case sparked a fierce debate about racial profiling in the US.
Police had asked residents of Sanford, Florida - the town where the shooting took place - and the surrounding area to remain peaceful once a verdict was announced.