Protesters had mostly left the area but a crowd of several dozen people gathered near the intersection of W. Florissant Avenue and Chambers Road shortly after midnight, facing off with a line of police officers. Police deployed tear gas into the crowd as they advanced east.
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Investigation will take as long as it takes to get the truth, McCulloch says.
Edward Crawford, shown in a Post-Dispatch photo throwing a tear gas canister, says he was angry at police actions, then scared after being arrested.