"Non-lethal" crowd controlhttp://en.wikipedia.org/wiki/Active_Denial_System
basically, it emits a directed microwave oven -like beam. The crowd either moves away or cooks.
leave it to the US to come up with that 'instant' solution. whats the pitch? "Crowd control in 40 seconds!"
"ding! your lynch mob has dispersed"
WTF? hey, if it works, it works....I guess. and whats with the name of it? 'Active Denial System' ? now theres a term wide open to interpretation.