Riot police clear a street with smoke bombs while clashing with demonstrators in Ferguson, Mo. | REUTERS/Mario Anzuoni/Getty Images

Ferguson Riots: How Crowd Control Tech Works

Police will likely continue using tactics to keep protestors under control.

August 18, 2014
3:00 PM EDT
Look back at the horrifying scenes of revolution that gripped Kiev. | Getty
An heavily armed police officer aims his weapon towards a building where protestors may be hiding. | Abe Van Dyke/Demotix/Corbis