Police Chief Thomas Jackson said the officer did not know the teen was a robbery suspect at the time of the shooting and stopped Michael Brown and a companion "because they were walking down the middle of the street blocking traffic."
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Separately, Wilson had been responding to a nearby call involving a sick 2-month child from 11:48 am until noon, when he left that place. A minute later, he encountered Brown walking down Canfield Drive. The documents contained no description of what happened between Brown and Wilson.
http://news.msn.com/us/police-identify-officer-allege-teen-robbed-store