A photo showing the stepfather of a 18-year-old apparently shot dead by police holding a sign describing the death as an execution has been circulated.
Mike Brown - who was reportedly unarmed - was killed as he walked to his grandmother's house in St Louis on Saturday.
BREAKING: Police in Ferguson, MO shot (10 times) and killed a 17 unarmed teenager. Developing... http://t.co/2PP4RY8nMm
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