The Chicago Police Department will deploy an LRAD 1000Xi long-range acoustic device to relay dispersal commands to protesters. Sound can be heard in a 30-degree cone up to a kilometer away.
Chicago PD's LRAD for NATO Summit
The Chicago Police Department will deploy an LRAD 1000Xi long-range acoustic device to relay dispersal commands to protesters. Sound can be heard in a 30-degree cone up to a kilometer away.