Source: ABC7 Chicago
Chicago Police are taking lessons learned in Pittsburgh to help control crowds for the upcoming NATO summit.
Police plan to use what’s called a long-range acoustic device to keep crowds from getting out of hand. ABC 7′s Paul Meincke learned more about the device and what worked and didn’t work in Pittsburgh.
The G20 Summit in Pittsburgh in September of 2009 has been called the most peaceful of modern day global summits. There are doubtless many reasons why arrests and property damage were minor compared to other host cities. Police say their intelligence paid dividends. Some protestors say the city purposely dragged out the permitting process for marches making it tougher to organize. And there is also Pittsburgh’s layout: a compact downtown that come summit time was filled with riot-control police.
Chicago Police say they do have an LRAD available for use. It sends out live or recorded messages in a narrow sound beam. So you can hear the messages with clarity several hundred yards away. Police say that is how they intend to use it — as a communications tool. But it is also equipped to emit those high-frequency alarm tones.
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