A US jury has found that white police officer Darren Wilson acted in self defence when he shot and killed black teenager Michael Brown.
Ferguson has been quiet while a jury decides if Darren Wilson will be charged for the killing of Michael Brown, but Missouri is taking no chances.
Peaceful protests have resumed in Ferguson after the fatal shooting of teenager Michael Brown by a police officer.
Police officer Darren Wilson has not been seen in public since shooting Michael Brown, and black Americans doubt whether he will face justice.