Mike Ferner, Truthout: "No longer the stuff of disturbing futuristic fantasies, an arsenal of 'crowd control munitions,' including one that reportedly made its debut in the US, was deployed with a massive, overpowering police presence in Pittsburgh during last week's G-20 protests."
http://www.truthout.org/092909U?n
http://mindcontrol.twoday.net/search?q=crowd+control